120657615152642 has 8 divisors (see below), whose sum is σ = 182032587022716. Its totient is φ = 59980086145072.

The previous prime is 120657615152527. The next prime is 120657615152717. The reversal of 120657615152642 is 246251516756021.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 120562793651881 + 94821500761 = 10980109^2 + 307931^2 .

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 174360715193 + ... + 174360715884.

Almost surely, 2^{120657615152642} is an apocalyptic number.

120657615152642 is a deficient number, since it is larger than the sum of its proper divisors (61374971870074).

120657615152642 is a wasteful number, since it uses less digits than its factorization.

120657615152642 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 348721431252.

The product of its (nonzero) digits is 6048000, while the sum is 53.

The spelling of 120657615152642 in words is "one hundred twenty trillion, six hundred fifty-seven billion, six hundred fifteen million, one hundred fifty-two thousand, six hundred forty-two".