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122130122 = 261065061
BaseRepresentation
bin1110100011110…
…00111011001010
322111210212000212
413101320323022
5222231130442
620041401122
73012042332
oct721707312
9274725025
10122130122
1162a37194
1234a991a2
131c3c165a
14123120c2
15aac6a82
hex7478eca

122130122 has 4 divisors (see below), whose sum is σ = 183195186. Its totient is φ = 61065060.

The previous prime is 122130083. The next prime is 122130133. The reversal of 122130122 is 221031221.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 221031221 = 373592577.

It can be written as a sum of positive squares in only one way, i.e., 114682681 + 7447441 = 10709^2 + 2729^2 .

It is a junction number, because it is equal to n+sod(n) for n = 122130097 and 122130106.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30532529 + ... + 30532532.

Almost surely, 2122130122 is an apocalyptic number.

122130122 is a deficient number, since it is larger than the sum of its proper divisors (61065064).

122130122 is an equidigital number, since it uses as much as digits as its factorization.

122130122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 61065063.

The product of its (nonzero) digits is 48, while the sum is 14.

The square root of 122130122 is about 11051.2497935754. The cubic root of 122130122 is about 496.1438323979.

Adding to 122130122 its reverse (221031221), we get a palindrome (343161343).

The spelling of 122130122 in words is "one hundred twenty-two million, one hundred thirty thousand, one hundred twenty-two".

Divisors: 1 2 61065061 122130122