124415661 has 8 divisors (see below), whose sum is σ = 168607264. Its totient is φ = 81583920.

The previous prime is 124415659. The next prime is 124415693. The reversal of 124415661 is 166514421.

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

It is not a de Polignac number, because 124415661 - 2¹ = 124415659 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (124415611) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 339751 + ... + 340116.

It is an arithmetic number, because the mean of its divisors is an integer number (21075908).

Almost surely, 2^124415661 is an apocalyptic number.

It is an amenable number.

124415661 is a deficient number, since it is larger than the sum of its proper divisors (44191603).

124415661 is an equidigital number, since it uses as much as digits as its factorization.

124415661 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 679931.

The product of its digits is 5760, while the sum is 30.

The square root of 124415661 is about 11154.1768409865. The cubic root of 124415661 is about 499.2196641187.

The spelling of 124415661 in words is "one hundred twenty-four million, four hundred fifteen thousand, six hundred sixty-one".