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122000919 = 3192140367
BaseRepresentation
bin1110100010110…
…01011000010111
322111120021210120
413101121120113
5222213012134
620034523023
73010663545
oct721313027
9274507716
10122000919
1162959107
1234a36473
131c3778c1
14122bad95
15aa9d649
hex7459617

122000919 has 8 divisors (see below), whose sum is σ = 171229440. Its totient is φ = 77053176.

The previous prime is 122000917. The next prime is 122000971. The reversal of 122000919 is 919000221.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 122000919 - 21 = 122000917 is a prime.

It is a super-2 number, since 2×1220009192 = 29768448473689122, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122000917) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1070127 + ... + 1070240.

It is an arithmetic number, because the mean of its divisors is an integer number (21403680).

Almost surely, 2122000919 is an apocalyptic number.

122000919 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

122000919 is a deficient number, since it is larger than the sum of its proper divisors (49228521).

122000919 is a wasteful number, since it uses less digits than its factorization.

122000919 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2140389.

The product of its (nonzero) digits is 324, while the sum is 24.

The square root of 122000919 is about 11045.4026182842. The cubic root of 122000919 is about 495.9688117204.

The spelling of 122000919 in words is "one hundred twenty-two million, nine hundred nineteen", and thus it is an aban number.

Divisors: 1 3 19 57 2140367 6421101 40666973 122000919