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122404492 = 2273124549
BaseRepresentation
bin1110100101110…
…11111010001100
322112022210101201
413102323322030
5222313420432
620051315244
73014264260
oct722737214
9275283351
10122404492
1163104341
1234babb24
131c4894c2
14123840a0
15ab2cee7
hex74bbe8c

122404492 has 36 divisors (see below), whose sum is σ = 253016400. Its totient is φ = 50755680.

The previous prime is 122404483. The next prime is 122404501. The reversal of 122404492 is 294404221.

It is an interprime number because it is at equal distance from previous prime (122404483) and next prime (122404501).

It is a Harshad number since it is a multiple of its sum of digits (28).

It is a self number, because there is not a number n which added to its sum of digits gives 122404492.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 24634 + ... + 29182.

Almost surely, 2122404492 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 122404492, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (126508200).

122404492 is an abundant number, since it is smaller than the sum of its proper divisors (130611908).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

122404492 is a wasteful number, since it uses less digits than its factorization.

122404492 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4622 (or 4589 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 28.

The square root of 122404492 is about 11063.6563576424. The cubic root of 122404492 is about 496.5150899003.

The spelling of 122404492 in words is "one hundred twenty-two million, four hundred four thousand, four hundred ninety-two".

Divisors: 1 2 4 7 14 28 31 62 124 217 434 868 961 1922 3844 4549 6727 9098 13454 18196 26908 31843 63686 127372 141019 282038 564076 987133 1974266 3948532 4371589 8743178 17486356 30601123 61202246 122404492