120812427 has 12 divisors (see below), whose sum is σ = 176468760. Its totient is φ = 79636128.

The previous prime is 120812423. The next prime is 120812429. The reversal of 120812427 is 724218021.

It is not a de Polignac number, because 120812427 - 2² = 120812423 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 120812427.

It is not an unprimeable number, because it can be changed into a prime (120812423) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 74613 + ... + 76214.

It is an arithmetic number, because the mean of its divisors is an integer number (14705730).

Almost surely, 2^120812427 is an apocalyptic number.

120812427 is a deficient number, since it is larger than the sum of its proper divisors (55656333).

120812427 is a wasteful number, since it uses less digits than its factorization.

120812427 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 150922 (or 150919 counting only the distinct ones).

The product of its (nonzero) digits is 1792, while the sum is 27.

The square root of 120812427 is about 10991.4706477341. The cubic root of 120812427 is about 494.3530329555.

The spelling of 120812427 in words is "one hundred twenty million, eight hundred twelve thousand, four hundred twenty-seven".