120785427 has 24 divisors (see below), whose sum is σ = 204784736. Its totient is φ = 67153536.

The previous prime is 120785417. The next prime is 120785437. The reversal of 120785427 is 724587021.

It is an interprime number because it is at equal distance from previous prime (120785417) and next prime (120785437).

It is not a de Polignac number, because 120785427 - 2⁴ = 120785411 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 120785391 and 120785400.

It is not an unprimeable number, because it can be changed into a prime (120785417) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 23578 + ... + 28239.

Almost surely, 2^120785427 is an apocalyptic number.

120785427 is a deficient number, since it is larger than the sum of its proper divisors (83999309).

120785427 is a wasteful number, since it uses less digits than its factorization.

120785427 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51867 (or 51864 counting only the distinct ones).

The product of its (nonzero) digits is 31360, while the sum is 36.

The square root of 120785427 is about 10990.2423540157. The cubic root of 120785427 is about 494.3162030623.

The spelling of 120785427 in words is "one hundred twenty million, seven hundred eighty-five thousand, four hundred twenty-seven".