120657439253560 has 512 divisors, whose sum is σ = 331583520153600. Its totient is φ = 38972373073920.

The previous prime is 120657439253539. The next prime is 120657439253621. The reversal of 120657439253560 is 65352934756021.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 120657439253495 and 120657439253504.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 32849831884 + ... + 32849835556.

It is an arithmetic number, because the mean of its divisors is an integer number (647624062800).

Almost surely, 2^{120657439253560} is an apocalyptic number.

120657439253560 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 120657439253560, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (165791760076800).

120657439253560 is an abundant number, since it is smaller than the sum of its proper divisors (210926080900040).

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

120657439253560 is a wasteful number, since it uses less digits than its factorization.

120657439253560 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6231 (or 6227 counting only the distinct ones).

The product of its (nonzero) digits is 40824000, while the sum is 58.

The spelling of 120657439253560 in words is "one hundred twenty trillion, six hundred fifty-seven billion, four hundred thirty-nine million, two hundred fifty-three thousand, five hundred sixty".