125532801 has 16 divisors (see below), whose sum is σ = 186515520. Its totient is φ = 83445120.

The previous prime is 125532787. The next prime is 125532821. The reversal of 125532801 is 108235521.

It is a happy number.

125532801 is a `hidden beast` number, since 125 + 532 + 8 + 0 + 1 = 666.

It is not a de Polignac number, because 125532801 - 2²¹ = 123435649 is a prime.

It is a hoax number, since the sum of its digits (27) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (125532821) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2946 + ... + 16116.

It is an arithmetic number, because the mean of its divisors is an integer number (11657220).

Almost surely, 2^125532801 is an apocalyptic number.

It is an amenable number.

125532801 is a deficient number, since it is larger than the sum of its proper divisors (60982719).

125532801 is a wasteful number, since it uses less digits than its factorization.

125532801 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13533 (or 13527 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 27.

The square root of 125532801 is about 11204.1421358353. The cubic root of 125532801 is about 500.7093943766.

The spelling of 125532801 in words is "one hundred twenty-five million, five hundred thirty-two thousand, eight hundred one".