125573436 has 48 divisors (see below), whose sum is σ = 336071680. Its totient is φ = 40506480.

The previous prime is 125573429. The next prime is 125573453. The reversal of 125573436 is 634375521.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a self number, because there is not a number n which added to its sum of digits gives 125573436.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 15406 + ... + 22101.

Almost surely, 2^125573436 is an apocalyptic number.

It is an amenable number.

125573436 is an abundant number, since it is smaller than the sum of its proper divisors (210498244).

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

125573436 is a wasteful number, since it uses less digits than its factorization.

125573436 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37551 (or 37543 counting only the distinct ones).

The product of its digits is 75600, while the sum is 36.

The square root of 125573436 is about 11205.9553809570. The cubic root of 125573436 is about 500.7634151348.

It can be divided in two parts, 1255 and 73436, that added together give a triangular number (74691 = T₃₈₆).

The spelling of 125573436 in words is "one hundred twenty-five million, five hundred seventy-three thousand, four hundred thirty-six".