1122657478959 has 8 divisors (see below), whose sum is σ = 1497308900992. Its totient is φ = 748222188120.

The previous prime is 1122657478937. The next prime is 1122657478973. The reversal of 1122657478959 is 9598747562211.

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

It is not a de Polignac number, because 1122657478959 - 2¹⁵ = 1122657446191 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 1122657478959.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1122657478919) 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, 54020677 + ... + 54041454.

It is an arithmetic number, because the mean of its divisors is an integer number (187163612624).

Almost surely, 2^{1122657478959} is an apocalyptic number.

1122657478959 is a deficient number, since it is larger than the sum of its proper divisors (374651422033).

1122657478959 is a wasteful number, since it uses less digits than its factorization.

1122657478959 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 108065597.

The product of its digits is 76204800, while the sum is 66.

The spelling of 1122657478959 in words is "one trillion, one hundred twenty-two billion, six hundred fifty-seven million, four hundred seventy-eight thousand, nine hundred fifty-nine".