122980894 has 8 divisors (see below), whose sum is σ = 188970768. Its totient is φ = 59990640.

The previous prime is 122980877. The next prime is 122980919. The reversal of 122980894 is 498089221.

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

It is a self number, because there is not a number n which added to its sum of digits gives 122980894.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 749802 + ... + 749965.

It is an arithmetic number, because the mean of its divisors is an integer number (23621346).

Almost surely, 2^122980894 is an apocalyptic number.

122980894 is a deficient number, since it is larger than the sum of its proper divisors (65989874).

122980894 is a wasteful number, since it uses less digits than its factorization.

122980894 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1499810.

The product of its (nonzero) digits is 82944, while the sum is 43.

The square root of 122980894 is about 11089.6751079551. The cubic root of 122980894 is about 497.2932319217.

The spelling of 122980894 in words is "one hundred twenty-two million, nine hundred eighty thousand, eight hundred ninety-four".