125016765 has 16 divisors (see below), whose sum is σ = 201971328. Its totient is φ = 66027456.

The previous prime is 125016743. The next prime is 125016797. The reversal of 125016765 is 567610521.

It is not a de Polignac number, because 125016765 - 2¹² = 125012669 is a prime.

It is an alternating number because its digits alternate between odd and even.

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, 38914 + ... + 42003.

It is an arithmetic number, because the mean of its divisors is an integer number (12623208).

Almost surely, 2^125016765 is an apocalyptic number.

125016765 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

125016765 is a deficient number, since it is larger than the sum of its proper divisors (76954563).

125016765 is a wasteful number, since it uses less digits than its factorization.

125016765 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 81028.

The product of its (nonzero) digits is 12600, while the sum is 33.

The square root of 125016765 is about 11181.0896159543. The cubic root of 125016765 is about 500.0223523341.

The spelling of 125016765 in words is "one hundred twenty-five million, sixteen thousand, seven hundred sixty-five".