125901983 has 6 divisors (see below), whose sum is σ = 133743936. Its totient is φ = 118495712.

The previous prime is 125901967. The next prime is 125901989. The reversal of 125901983 is 389109521.

It is not a de Polignac number, because 125901983 - 2⁴ = 125901967 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 (125901989) 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, 217535 + ... + 218112.

It is an arithmetic number, because the mean of its divisors is an integer number (22290656).

Almost surely, 2^125901983 is an apocalyptic number.

125901983 is a deficient number, since it is larger than the sum of its proper divisors (7841953).

125901983 is an equidigital number, since it uses as much as digits as its factorization.

125901983 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 435681 (or 435664 counting only the distinct ones).

The product of its (nonzero) digits is 19440, while the sum is 38.

The square root of 125901983 is about 11220.6052867036. The cubic root of 125901983 is about 501.1997628356.

The spelling of 125901983 in words is "one hundred twenty-five million, nine hundred one thousand, nine hundred eighty-three".