120207613557 has 8 divisors (see below), whose sum is σ = 168712440160. Its totient is φ = 75920598000.

The previous prime is 120207613549. The next prime is 120207613573. The reversal of 120207613557 is 755316702021.

It is a happy number.

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

It is not a de Polignac number, because 120207613557 - 2³ = 120207613549 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120207613507) 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, 1054452694 + ... + 1054452807.

It is an arithmetic number, because the mean of its divisors is an integer number (21089055020).

Almost surely, 2^120207613557 is an apocalyptic number.

It is an amenable number.

120207613557 is a deficient number, since it is larger than the sum of its proper divisors (48504826603).

120207613557 is a wasteful number, since it uses less digits than its factorization.

120207613557 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2108905523.

The product of its (nonzero) digits is 88200, while the sum is 39.

The spelling of 120207613557 in words is "one hundred twenty billion, two hundred seven million, six hundred thirteen thousand, five hundred fifty-seven".