125890311 has 4 divisors (see below), whose sum is σ = 167853752. Its totient is φ = 83926872.

The previous prime is 125890309. The next prime is 125890327. The reversal of 125890311 is 113098521.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 125890311 - 2¹ = 125890309 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 (125890351) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20981716 + ... + 20981721.

It is an arithmetic number, because the mean of its divisors is an integer number (41963438).

Almost surely, 2^125890311 is an apocalyptic number.

125890311 is a deficient number, since it is larger than the sum of its proper divisors (41963441).

125890311 is an equidigital number, since it uses as much as digits as its factorization.

125890311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41963440.

The product of its (nonzero) digits is 2160, while the sum is 30.

The square root of 125890311 is about 11220.0851601046. The cubic root of 125890311 is about 501.1842741084.

The spelling of 125890311 in words is "one hundred twenty-five million, eight hundred ninety thousand, three hundred eleven".