125351965 has 16 divisors (see below), whose sum is σ = 163159920. Its totient is φ = 92078080.

The previous prime is 125351929. The next prime is 125351977. The reversal of 125351965 is 569153521.

It can be written as a sum of positive squares in 8 ways, for example, as 381924 + 124970041 = 618^2 + 11179^2 .

It is not a de Polignac number, because 125351965 - 2⁹ = 125351453 is a prime.

It is a super-2 number, since 2×125351965² = 31426230258722450, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14500 + ... + 21469.

It is an arithmetic number, because the mean of its divisors is an integer number (10197495).

Almost surely, 2^125351965 is an apocalyptic number.

It is an amenable number.

125351965 is a deficient number, since it is larger than the sum of its proper divisors (37807955).

125351965 is a wasteful number, since it uses less digits than its factorization.

125351965 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36032.

The product of its digits is 40500, while the sum is 37.

The square root of 125351965 is about 11196.0691762779. The cubic root of 125351965 is about 500.4688468944.

The spelling of 125351965 in words is "one hundred twenty-five million, three hundred fifty-one thousand, nine hundred sixty-five".