124070920291 has 4 divisors (see below), whose sum is σ = 124072564000. Its totient is φ = 124069276584.

The previous prime is 124070920289. The next prime is 124070920301. The reversal of 124070920291 is 192029070421.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 192029070421 = 103 ⋅1864359907.

It is a cyclic number.

It is not a de Polignac number, because 124070920291 - 2¹ = 124070920289 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 124070920291.

It is not an unprimeable number, because it can be changed into a prime (124070920201) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 702891 + ... + 861508.

It is an arithmetic number, because the mean of its divisors is an integer number (31018141000).

Almost surely, 2^124070920291 is an apocalyptic number.

124070920291 is a deficient number, since it is larger than the sum of its proper divisors (1643709).

124070920291 is an equidigital number, since it uses as much as digits as its factorization.

124070920291 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1643708.

The product of its (nonzero) digits is 18144, while the sum is 37.

The spelling of 124070920291 in words is "one hundred twenty-four billion, seventy million, nine hundred twenty thousand, two hundred ninety-one".