125420925 has 24 divisors (see below), whose sum is σ = 236986816. Its totient is φ = 57335040.

The previous prime is 125420921. The next prime is 125420963. The reversal of 125420925 is 529024521.

It is not a de Polignac number, because 125420925 - 2² = 125420921 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 125420892 and 125420901.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (125420921) 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, 118924 + ... + 119973.

Almost surely, 2^125420925 is an apocalyptic number.

125420925 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

125420925 is a deficient number, since it is larger than the sum of its proper divisors (111565891).

125420925 is a wasteful number, since it uses less digits than its factorization.

125420925 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 238917 (or 238912 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 30.

The square root of 125420925 is about 11199.1484051244. The cubic root of 125420925 is about 500.5606045435.

The spelling of 125420925 in words is "one hundred twenty-five million, four hundred twenty thousand, nine hundred twenty-five".