121183730 has 8 divisors (see below), whose sum is σ = 218130732. Its totient is φ = 48473488.

The previous prime is 121183703. The next prime is 121183789. The reversal of 121183730 is 37381121.

It can be written as a sum of positive squares in 2 ways, for example, as 113571649 + 7612081 = 10657^2 + 2759^2 .

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 121183730.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6059177 + ... + 6059196.

Almost surely, 2^121183730 is an apocalyptic number.

121183730 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

121183730 is a deficient number, since it is larger than the sum of its proper divisors (96947002).

121183730 is a wasteful number, since it uses less digits than its factorization.

121183730 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12118380.

The product of its (nonzero) digits is 1008, while the sum is 26.

The square root of 121183730 is about 11008.3481958012. The cubic root of 121183730 is about 494.8589606000.

The spelling of 121183730 in words is "one hundred twenty-one million, one hundred eighty-three thousand, seven hundred thirty".