125436425 has 24 divisors (see below), whose sum is σ = 162411480. Its totient is φ = 96012800.

The previous prime is 125436413. The next prime is 125436427. The reversal of 125436425 is 524634521.

It can be written as a sum of positive squares in 12 ways, for example, as 30880249 + 94556176 = 5557^2 + 9724^2 .

It is not a de Polignac number, because 125436425 - 2⁸ = 125436169 is a prime.

It is a hoax number, since the sum of its digits (32) coincides with the sum of the digits of its distinct prime factors.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 125436391 and 125436400.

It is not an unprimeable number, because it can be changed into a prime (125436427) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 53171 + ... + 55479.

It is an arithmetic number, because the mean of its divisors is an integer number (6767145).

Almost surely, 2^125436425 is an apocalyptic number.

It is an amenable number.

125436425 is a deficient number, since it is larger than the sum of its proper divisors (36975055).

125436425 is a wasteful number, since it uses less digits than its factorization.

125436425 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2413 (or 2408 counting only the distinct ones).

The product of its digits is 28800, while the sum is 32.

The square root of 125436425 is about 11199.8404006486. The cubic root of 125436425 is about 500.5812240953.

The spelling of 125436425 in words is "one hundred twenty-five million, four hundred thirty-six thousand, four hundred twenty-five".