125745532 has 24 divisors (see below), whose sum is σ = 254182320. Its totient is φ = 53794560.

The previous prime is 125745509. The next prime is 125745541. The reversal of 125745532 is 235547521.

It is a Harshad number since it is a multiple of its sum of digits (34).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 83307 + ... + 84802.

It is an arithmetic number, because the mean of its divisors is an integer number (10590930).

Almost surely, 2^125745532 is an apocalyptic number.

It is an amenable number.

125745532 is an abundant number, since it is smaller than the sum of its proper divisors (128436788).

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

125745532 is a wasteful number, since it uses less digits than its factorization.

125745532 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 168141 (or 168139 counting only the distinct ones).

The product of its digits is 42000, while the sum is 34.

The square root of 125745532 is about 11213.6315259598. The cubic root of 125745532 is about 500.9920729473.

The spelling of 125745532 in words is "one hundred twenty-five million, seven hundred forty-five thousand, five hundred thirty-two".