125541536 has 12 divisors (see below), whose sum is σ = 247159962. Its totient is φ = 62770752.

The previous prime is 125541529. The next prime is 125541539. The reversal of 125541536 is 635145521.

It can be written as a sum of positive squares in only one way, i.e., 99121936 + 26419600 = 9956^2 + 5140^2 .

It is a super-2 number, since 2×125541536² = 31521354522478592, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (32), and also a Moran number because the ratio is a prime number: 3923173 = 125541536 / (1 + 2 + 5 + 5 + 4 + 1 + 5 + 3 + 6).

It is not an unprimeable number, because it can be changed into a prime (125541539) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1961555 + ... + 1961618.

Almost surely, 2^125541536 is an apocalyptic number.

125541536 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

125541536 is a deficient number, since it is larger than the sum of its proper divisors (121618426).

125541536 is an equidigital number, since it uses as much as digits as its factorization.

125541536 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3923183 (or 3923175 counting only the distinct ones).

The product of its digits is 18000, while the sum is 32.

The square root of 125541536 is about 11204.5319402463. The cubic root of 125541536 is about 500.7210077958.

The spelling of 125541536 in words is "one hundred twenty-five million, five hundred forty-one thousand, five hundred thirty-six".