125866233 has 6 divisors (see below), whose sum is σ = 181806794. Its totient is φ = 83910816.

The previous prime is 125866229. The next prime is 125866253. The reversal of 125866233 is 332668521.

It is a happy number.

125866233 is a `hidden beast` number, since 1 + 25 + 8 + 6 + 623 + 3 = 666.

It can be written as a sum of positive squares in only one way, i.e., 109244304 + 16621929 = 10452^2 + 4077^2 .

It is not a de Polignac number, because 125866233 - 2² = 125866229 is a prime.

It is a super-2 number, since 2×125866233² = 31684617219220578, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (125866253) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 6992560 + ... + 6992577.

Almost surely, 2^125866233 is an apocalyptic number.

It is an amenable number.

125866233 is a deficient number, since it is larger than the sum of its proper divisors (55940561).

125866233 is a wasteful number, since it uses less digits than its factorization.

125866233 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13985143 (or 13985140 counting only the distinct ones).

The product of its digits is 51840, while the sum is 36.

The square root of 125866233 is about 11219.0121222860. The cubic root of 125866233 is about 501.1523196122.

The spelling of 125866233 in words is "one hundred twenty-five million, eight hundred sixty-six thousand, two hundred thirty-three".