120640123425 has 48 divisors (see below), whose sum is σ = 200653893440. Its totient is φ = 63956736000.

The previous prime is 120640123393. The next prime is 120640123427. The reversal of 120640123425 is 524321046021.

It is not a de Polignac number, because 120640123425 - 2⁵ = 120640123393 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 120640123392 and 120640123401.

It is not an unprimeable number, because it can be changed into a prime (120640123427) 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, 10314981 + ... + 10326669.

Almost surely, 2^120640123425 is an apocalyptic number.

120640123425 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

120640123425 is a deficient number, since it is larger than the sum of its proper divisors (80013770015).

120640123425 is a wasteful number, since it uses less digits than its factorization.

120640123425 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12514 (or 12509 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 30.

Adding to 120640123425 its reverse (524321046021), we get a palindrome (644961169446).

The spelling of 120640123425 in words is "one hundred twenty billion, six hundred forty million, one hundred twenty-three thousand, four hundred twenty-five".