126532512 has 36 divisors (see below), whose sum is σ = 359827650. Its totient is φ = 42177408.

The previous prime is 126532501. The next prime is 126532543. The reversal of 126532512 is 215235621.

It is a happy number.

126532512 is a `hidden beast` number, since 1 + 2 + 653 + 2 + 5 + 1 + 2 = 666.

It can be written as a sum of positive squares in only one way, i.e., 126427536 + 104976 = 11244^2 + 324^2 .

It is a tau number, because it is divible by the number of its divisors (36).

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 219387 + ... + 219962.

Almost surely, 2^126532512 is an apocalyptic number.

126532512 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

126532512 is an abundant number, since it is smaller than the sum of its proper divisors (233295138).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

126532512 is a wasteful number, since it uses less digits than its factorization.

126532512 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 439365 (or 439354 counting only the distinct ones).

The product of its digits is 3600, while the sum is 27.

The square root of 126532512 is about 11248.6671210415. The cubic root of 126532512 is about 502.0350551966.

The spelling of 126532512 in words is "one hundred twenty-six million, five hundred thirty-two thousand, five hundred twelve".