125463155 has 4 divisors (see below), whose sum is σ = 150555792. Its totient is φ = 100370520.

The previous prime is 125463133. The next prime is 125463161. The reversal of 125463155 is 551364521.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 125463155 - 2¹⁰ = 125462131 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12546311 + ... + 12546320.

It is an arithmetic number, because the mean of its divisors is an integer number (37638948).

Almost surely, 2^125463155 is an apocalyptic number.

125463155 is a deficient number, since it is larger than the sum of its proper divisors (25092637).

125463155 is an equidigital number, since it uses as much as digits as its factorization.

125463155 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25092636.

The product of its digits is 18000, while the sum is 32.

The square root of 125463155 is about 11201.0336576586. The cubic root of 125463155 is about 500.6167788548.

The spelling of 125463155 in words is "one hundred twenty-five million, four hundred sixty-three thousand, one hundred fifty-five".