125833915 has 16 divisors (see below), whose sum is σ = 160786080. Its totient is φ = 94210560.

The previous prime is 125833913. The next prime is 125833921. The reversal of 125833915 is 519338521.

125833915 = T₃₉₁ + T₃₉₂ + ... + T₉₃₃.

It is a happy number.

It is not a de Polignac number, because 125833915 - 2¹ = 125833913 is a prime.

It is not an unprimeable number, because it can be changed into a prime (125833913) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11296 + ... + 19474.

It is an arithmetic number, because the mean of its divisors is an integer number (10049130).

Almost surely, 2^125833915 is an apocalyptic number.

125833915 is a deficient number, since it is larger than the sum of its proper divisors (34952165).

125833915 is a wasteful number, since it uses less digits than its factorization.

125833915 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8382.

The product of its digits is 32400, while the sum is 37.

The square root of 125833915 is about 11217.5717069248. The cubic root of 125833915 is about 501.1094232063.

The spelling of 125833915 in words is "one hundred twenty-five million, eight hundred thirty-three thousand, nine hundred fifteen".