125533915 has 8 divisors (see below), whose sum is σ = 162228528. Its totient is φ = 92701920.

The previous prime is 125533901. The next prime is 125533921. The reversal of 125533915 is 519335521.

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

It is not a de Polignac number, because 125533915 - 2¹⁵ = 125501147 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 965581 + ... + 965710.

It is an arithmetic number, because the mean of its divisors is an integer number (20278566).

Almost surely, 2^125533915 is an apocalyptic number.

125533915 is a deficient number, since it is larger than the sum of its proper divisors (36694613).

125533915 is a wasteful number, since it uses less digits than its factorization.

125533915 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1931309.

The product of its digits is 20250, while the sum is 34.

The square root of 125533915 is about 11204.1918494820. The cubic root of 125533915 is about 500.7108754997.

The spelling of 125533915 in words is "one hundred twenty-five million, five hundred thirty-three thousand, nine hundred fifteen".