126529672 has 8 divisors (see below), whose sum is σ = 237243150. Its totient is φ = 63264832.

The previous prime is 126529661. The next prime is 126529681. The reversal of 126529672 is 276925621.

It can be written as a sum of positive squares in only one way, i.e., 104571076 + 21958596 = 10226^2 + 4686^2 .

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7908097 + ... + 7908112.

Almost surely, 2^126529672 is an apocalyptic number.

It is an amenable number.

126529672 is a deficient number, since it is larger than the sum of its proper divisors (110713478).

126529672 is a wasteful number, since it uses less digits than its factorization.

126529672 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15816215 (or 15816211 counting only the distinct ones).

The product of its digits is 90720, while the sum is 40.

The square root of 126529672 is about 11248.5408831546. The cubic root of 126529672 is about 502.0312991390.

The spelling of 126529672 in words is "one hundred twenty-six million, five hundred twenty-nine thousand, six hundred seventy-two".