125454536 has 8 divisors (see below), whose sum is σ = 235227270. Its totient is φ = 62727264.

The previous prime is 125454533. The next prime is 125454541. The reversal of 125454536 is 635454521.

It can be written as a sum of positive squares in only one way, i.e., 94206436 + 31248100 = 9706^2 + 5590^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a junction number, because it is equal to n+sod(n) for n = 125454496 and 125454505.

It is not an unprimeable number, because it can be changed into a prime (125454533) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7840901 + ... + 7840916.

Almost surely, 2^125454536 is an apocalyptic number.

It is an amenable number.

125454536 is a deficient number, since it is larger than the sum of its proper divisors (109772734).

125454536 is a wasteful number, since it uses less digits than its factorization.

125454536 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15681823 (or 15681819 counting only the distinct ones).

The product of its digits is 72000, while the sum is 35.

The square root of 125454536 is about 11200.6489097730. The cubic root of 125454536 is about 500.6053148920.

The spelling of 125454536 in words is "one hundred twenty-five million, four hundred fifty-four thousand, five hundred thirty-six".