124797965 has 4 divisors (see below), whose sum is σ = 149757564. Its totient is φ = 99838368.

The previous prime is 124797943. The next prime is 124797979. The reversal of 124797965 is 569797421.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 569797421 = 353 ⋅1614157.

It can be written as a sum of positive squares in 2 ways, for example, as 44049769 + 80748196 = 6637^2 + 8986^2 .

It is a cyclic number.

It is not a de Polignac number, because 124797965 - 2¹⁰ = 124796941 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12479792 + ... + 12479801.

It is an arithmetic number, because the mean of its divisors is an integer number (37439391).

Almost surely, 2^124797965 is an apocalyptic number.

It is an amenable number.

124797965 is a deficient number, since it is larger than the sum of its proper divisors (24959599).

124797965 is an equidigital number, since it uses as much as digits as its factorization.

124797965 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24959598.

The product of its digits is 952560, while the sum is 50.

The square root of 124797965 is about 11171.3009537833. The cubic root of 124797965 is about 499.7304747384.

The spelling of 124797965 in words is "one hundred twenty-four million, seven hundred ninety-seven thousand, nine hundred sixty-five".