126504650 has 24 divisors (see below), whose sum is σ = 249141420. Its totient is φ = 47624960.

The previous prime is 126504617. The next prime is 126504661. The reversal of 126504650 is 56405621.

It can be written as a sum of positive squares in 6 ways, for example, as 28633201 + 97871449 = 5351^2 + 9893^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 73565 + ... + 75264.

Almost surely, 2^126504650 is an apocalyptic number.

126504650 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

126504650 is a deficient number, since it is larger than the sum of its proper divisors (122636770).

126504650 is a wasteful number, since it uses less digits than its factorization.

126504650 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 148858 (or 148853 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 29.

The square root of 126504650 is about 11247.4285950167. The cubic root of 126504650 is about 501.9982037258.

The spelling of 126504650 in words is "one hundred twenty-six million, five hundred four thousand, six hundred fifty".