125123532 has 12 divisors (see below), whose sum is σ = 291954936. Its totient is φ = 41707840.

The previous prime is 125123521. The next prime is 125123543. The reversal of 125123532 is 235321521.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (125123521) and next prime (125123543).

It is a tau number, because it is divible by the number of its divisors (12).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5213469 + ... + 5213492.

It is an arithmetic number, because the mean of its divisors is an integer number (24329578).

Almost surely, 2^125123532 is an apocalyptic number.

125123532 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

125123532 is an abundant number, since it is smaller than the sum of its proper divisors (166831404).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

125123532 is a wasteful number, since it uses less digits than its factorization.

125123532 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10426968 (or 10426966 counting only the distinct ones).

The product of its digits is 1800, while the sum is 24.

The square root of 125123532 is about 11185.8630422511. The cubic root of 125123532 is about 500.1646551048.

The spelling of 125123532 in words is "one hundred twenty-five million, one hundred twenty-three thousand, five hundred thirty-two".