122870993 has 8 divisors (see below), whose sum is σ = 141055488. Its totient is φ = 104844384.

The previous prime is 122870987. The next prime is 122871029. The reversal of 122870993 is 399078221.

It is a happy number.

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 122870993 - 2¹⁰ = 122869969 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 122870993.

It is not an unprimeable number, because it can be changed into a prime (122870933) 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, 37796 + ... + 40917.

It is an arithmetic number, because the mean of its divisors is an integer number (17631936).

Almost surely, 2^122870993 is an apocalyptic number.

It is an amenable number.

122870993 is a deficient number, since it is larger than the sum of its proper divisors (18184495).

122870993 is an equidigital number, since it uses as much as digits as its factorization.

122870993 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 78943.

The product of its (nonzero) digits is 54432, while the sum is 41.

The square root of 122870993 is about 11084.7188958494. The cubic root of 122870993 is about 497.1450535885.

The spelling of 122870993 in words is "one hundred twenty-two million, eight hundred seventy thousand, nine hundred ninety-three".