125454215 has 8 divisors (see below), whose sum is σ = 151203840. Its totient is φ = 99924192.

The previous prime is 125454209. The next prime is 125454229. The reversal of 125454215 is 512454521.

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

It is a cyclic number.

It is not a de Polignac number, because 125454215 - 2⁶ = 125454151 is a prime.

It is a super-2 number, since 2×125454215² = 31477520122532450, 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 7 ways as a sum of consecutive naturals, for example, 53639 + ... + 55928.

It is an arithmetic number, because the mean of its divisors is an integer number (18900480).

Almost surely, 2^125454215 is an apocalyptic number.

125454215 is a deficient number, since it is larger than the sum of its proper divisors (25749625).

125454215 is a wasteful number, since it uses less digits than its factorization.

125454215 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 109801.

The product of its digits is 8000, while the sum is 29.

The square root of 125454215 is about 11200.6345802370. The cubic root of 125454215 is about 500.6048879261.

The spelling of 125454215 in words is "one hundred twenty-five million, four hundred fifty-four thousand, two hundred fifteen".