124668653 has 4 divisors (see below), whose sum is σ = 127567968. Its totient is φ = 121769340.

The previous prime is 124668631. The next prime is 124668679. The reversal of 124668653 is 356866421.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 356866421 = 3313 ⋅107717.

It is a cyclic number.

It is not a de Polignac number, because 124668653 - 2¹⁰ = 124667629 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 124668653.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (124668613) 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 3 ways as a sum of consecutive naturals, for example, 1449593 + ... + 1449678.

It is an arithmetic number, because the mean of its divisors is an integer number (31891992).

Almost surely, 2^124668653 is an apocalyptic number.

It is an amenable number.

124668653 is a deficient number, since it is larger than the sum of its proper divisors (2899315).

124668653 is an equidigital number, since it uses as much as digits as its factorization.

124668653 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2899314.

The product of its digits is 207360, while the sum is 41.

The square root of 124668653 is about 11165.5117661485. The cubic root of 124668653 is about 499.5578130567.

The spelling of 124668653 in words is "one hundred twenty-four million, six hundred sixty-eight thousand, six hundred fifty-three".