120787596171 has 48 divisors (see below), whose sum is σ = 202195663488. Its totient is φ = 71419060800.

The previous prime is 120787596161. The next prime is 120787596203. The reversal of 120787596171 is 171695787021.

120787596171 is a `hidden beast` number, since 12 + 0 + 7 + 8 + 7 + 5 + 9 + 617 + 1 = 666.

It is not a de Polignac number, because 120787596171 - 2¹³ = 120787587979 is a prime.

It is a super-2 number, since 2×120787596171² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (120787596161) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 441481 + ... + 660666.

It is an arithmetic number, because the mean of its divisors is an integer number (4212409656).

Almost surely, 2^120787596171 is an apocalyptic number.

120787596171 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

120787596171 is a deficient number, since it is larger than the sum of its proper divisors (81408067317).

120787596171 is a wasteful number, since it uses less digits than its factorization.

120787596171 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1102214 (or 1102202 counting only the distinct ones).

The product of its (nonzero) digits is 1481760, while the sum is 54.

The spelling of 120787596171 in words is "one hundred twenty billion, seven hundred eighty-seven million, five hundred ninety-six thousand, one hundred seventy-one".