122179861439 has 8 divisors (see below), whose sum is σ = 122476954080. Its totient is φ = 121883032800.

The previous prime is 122179861423. The next prime is 122179861457. The reversal of 122179861439 is 934168971221.

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 122179861439 - 2⁴ = 122179861423 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 (122176861439) 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, 877022 + ... + 1006740.

It is an arithmetic number, because the mean of its divisors is an integer number (15309619260).

Almost surely, 2^122179861439 is an apocalyptic number.

122179861439 is a deficient number, since it is larger than the sum of its proper divisors (297092641).

122179861439 is a wasteful number, since it uses less digits than its factorization.

122179861439 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 132001.

The product of its digits is 1306368, while the sum is 53.

The spelling of 122179861439 in words is "one hundred twenty-two billion, one hundred seventy-nine million, eight hundred sixty-one thousand, four hundred thirty-nine".