124247273421 has 8 divisors (see below), whose sum is σ = 165728494944. Its totient is φ = 82798783760.

The previous prime is 124247273413. The next prime is 124247273467. The reversal of 124247273421 is 124372742421.

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

It is a cyclic number.

It is not a de Polignac number, because 124247273421 - 2³ = 124247273413 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 124247273421.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (124247273471) 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, 8174106 + ... + 8189291.

It is an arithmetic number, because the mean of its divisors is an integer number (20716061868).

Almost surely, 2^124247273421 is an apocalyptic number.

It is an amenable number.

124247273421 is a deficient number, since it is larger than the sum of its proper divisors (41481221523).

124247273421 is a wasteful number, since it uses less digits than its factorization.

124247273421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16365931.

The product of its digits is 150528, while the sum is 39.

The spelling of 124247273421 in words is "one hundred twenty-four billion, two hundred forty-seven million, two hundred seventy-three thousand, four hundred twenty-one".