121790082 has 16 divisors (see below), whose sum is σ = 251979840. Its totient is φ = 39196752.

The previous prime is 121790077. The next prime is 121790087. The reversal of 121790082 is 280097121.

It is an interprime number because it is at equal distance from previous prime (121790077) and next prime (121790087).

It is not an unprimeable number, because it can be changed into a prime (121790087) 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, 349798 + ... + 350145.

It is an arithmetic number, because the mean of its divisors is an integer number (15748740).

Almost surely, 2^121790082 is an apocalyptic number.

121790082 is an abundant number, since it is smaller than the sum of its proper divisors (130189758).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

121790082 is a wasteful number, since it uses less digits than its factorization.

121790082 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 699977.

The product of its (nonzero) digits is 2016, while the sum is 30.

The square root of 121790082 is about 11035.8543846863. The cubic root of 121790082 is about 495.6829426408.

The spelling of 121790082 in words is "one hundred twenty-one million, seven hundred ninety thousand, eighty-two".