125690933 has 4 divisors (see below), whose sum is σ = 125938380. Its totient is φ = 125443488.

The previous prime is 125690923. The next prime is 125690977. The reversal of 125690933 is 339096521.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 339096521 = 23 ⋅14743327.

It can be written as a sum of positive squares in 2 ways, for example, as 63075364 + 62615569 = 7942^2 + 7913^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-125690933 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (125690923) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 122960 + ... + 123977.

It is an arithmetic number, because the mean of its divisors is an integer number (31484595).

Almost surely, 2^125690933 is an apocalyptic number.

It is an amenable number.

125690933 is a deficient number, since it is larger than the sum of its proper divisors (247447).

125690933 is an equidigital number, since it uses as much as digits as its factorization.

125690933 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 247446.

The product of its (nonzero) digits is 43740, while the sum is 38.

The square root of 125690933 is about 11211.1967693017. The cubic root of 125690933 is about 500.9195518122.

The spelling of 125690933 in words is "one hundred twenty-five million, six hundred ninety thousand, nine hundred thirty-three".