125478536 has 8 divisors (see below), whose sum is σ = 235272270. Its totient is φ = 62739264.

The previous prime is 125478523. The next prime is 125478539. The reversal of 125478536 is 635874521.

It can be written as a sum of positive squares in only one way, i.e., 76562500 + 48916036 = 8750^2 + 6994^2 .

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 = 125478493 and 125478502.

It is not an unprimeable number, because it can be changed into a prime (125478539) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7842401 + ... + 7842416.

Almost surely, 2^125478536 is an apocalyptic number.

It is an amenable number.

125478536 is a deficient number, since it is larger than the sum of its proper divisors (109793734).

125478536 is a wasteful number, since it uses less digits than its factorization.

125478536 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15684823 (or 15684819 counting only the distinct ones).

The product of its digits is 201600, while the sum is 41.

The square root of 125478536 is about 11201.7202250369. The cubic root of 125478536 is about 500.6372355168.

The spelling of 125478536 in words is "one hundred twenty-five million, four hundred seventy-eight thousand, five hundred thirty-six".