125651983 has 8 divisors (see below), whose sum is σ = 130644000. Its totient is φ = 120703968.

The previous prime is 125651971. The next prime is 125651987. The reversal of 125651983 is 389156521.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 125651983 - 2⁵ = 125651951 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 (125651987) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5116 + ... + 16657.

It is an arithmetic number, because the mean of its divisors is an integer number (16330500).

Almost surely, 2^125651983 is an apocalyptic number.

125651983 is a deficient number, since it is larger than the sum of its proper divisors (4992017).

125651983 is a wasteful number, since it uses less digits than its factorization.

125651983 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22001.

The product of its digits is 64800, while the sum is 40.

The square root of 125651983 is about 11209.4595320203. The cubic root of 125651983 is about 500.8678036290.

The spelling of 125651983 in words is "one hundred twenty-five million, six hundred fifty-one thousand, nine hundred eighty-three".