124961995 has 4 divisors (see below), whose sum is σ = 149954400. Its totient is φ = 99969592.

The previous prime is 124961953. The next prime is 124962001. The reversal of 124961995 is 599169421.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 599169421 = 1861 ⋅321961.

It is a cyclic number.

It is not a de Polignac number, because 124961995 - 2¹⁵ = 124929227 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12496195 + ... + 12496204.

It is an arithmetic number, because the mean of its divisors is an integer number (37488600).

Almost surely, 2^124961995 is an apocalyptic number.

124961995 is a deficient number, since it is larger than the sum of its proper divisors (24992405).

124961995 is an equidigital number, since it uses as much as digits as its factorization.

124961995 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24992404.

The product of its digits is 174960, while the sum is 46.

The square root of 124961995 is about 11178.6401230203. The cubic root of 124961995 is about 499.9493215302.

The spelling of 124961995 in words is "one hundred twenty-four million, nine hundred sixty-one thousand, nine hundred ninety-five".