124322351621 has 8 divisors (see below), whose sum is σ = 133901754840. Its totient is φ = 114745254912.

The previous prime is 124322351611. The next prime is 124322351623. The reversal of 124322351621 is 126153223421.

It can be written as a sum of positive squares in 4 ways, for example, as 39241629025 + 85080722596 = 198095^2 + 291686^2 .

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-124322351621 is a prime.

It is a super-2 number, since 2×124322351621² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (124322351623) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 463856 + ... + 681033.

It is an arithmetic number, because the mean of its divisors is an integer number (16737719355).

Almost surely, 2^124322351621 is an apocalyptic number.

It is an amenable number.

124322351621 is a deficient number, since it is larger than the sum of its proper divisors (9579403219).

124322351621 is a wasteful number, since it uses less digits than its factorization.

124322351621 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1153255.

The product of its digits is 17280, while the sum is 32.

The spelling of 124322351621 in words is "one hundred twenty-four billion, three hundred twenty-two million, three hundred fifty-one thousand, six hundred twenty-one".