125454515 has 32 divisors (see below), whose sum is σ = 159584256. Its totient is φ = 94590720.

The previous prime is 125454479. The next prime is 125454523. The reversal of 125454515 is 515454521.

It is not a de Polignac number, because 125454515 - 2¹⁶ = 125388979 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1217954 + ... + 1218056.

It is an arithmetic number, because the mean of its divisors is an integer number (4987008).

Almost surely, 2^125454515 is an apocalyptic number.

125454515 is a deficient number, since it is larger than the sum of its proper divisors (34129741).

125454515 is a wasteful number, since it uses less digits than its factorization.

125454515 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 299.

The product of its digits is 20000, while the sum is 32.

The square root of 125454515 is about 11200.6479723273. The cubic root of 125454515 is about 500.6052869597.

The spelling of 125454515 in words is "one hundred twenty-five million, four hundred fifty-four thousand, five hundred fifteen".