121092830 has 8 divisors (see below), whose sum is σ = 217967112. Its totient is φ = 48437128.

The previous prime is 121092809. The next prime is 121092847. The reversal of 121092830 is 38290121.

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 121092830.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6054632 + ... + 6054651.

It is an arithmetic number, because the mean of its divisors is an integer number (27245889).

Almost surely, 2^121092830 is an apocalyptic number.

121092830 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

121092830 is a deficient number, since it is larger than the sum of its proper divisors (96874282).

121092830 is a wasteful number, since it uses less digits than its factorization.

121092830 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12109290.

The product of its (nonzero) digits is 864, while the sum is 26.

The square root of 121092830 is about 11004.2187364665. The cubic root of 121092830 is about 494.7351983001.

The spelling of 121092830 in words is "one hundred twenty-one million, ninety-two thousand, eight hundred thirty".