126516004 has 6 divisors (see below), whose sum is σ = 221403014. Its totient is φ = 63258000.

The previous prime is 126515981. The next prime is 126516017. The reversal of 126516004 is 400615621.

It can be written as a sum of positive squares in only one way, i.e., 66422500 + 60093504 = 8150^2 + 7752^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 126516004.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15814497 + ... + 15814504.

Almost surely, 2^126516004 is an apocalyptic number.

It is an amenable number.

126516004 is a deficient number, since it is larger than the sum of its proper divisors (94887010).

126516004 is a wasteful number, since it uses less digits than its factorization.

126516004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31629005 (or 31629003 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 25.

The square root of 126516004 is about 11247.9333212817. The cubic root of 126516004 is about 502.0132216641.

The spelling of 126516004 in words is "one hundred twenty-six million, five hundred sixteen thousand, four".