121303090 has 8 divisors (see below), whose sum is σ = 218345580. Its totient is φ = 48521232.

The previous prime is 121303033. The next prime is 121303141. The reversal of 121303090 is 90303121.

It can be written as a sum of positive squares in 2 ways, for example, as 120099681 + 1203409 = 10959^2 + 1097^2 .

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

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, 6065145 + ... + 6065164.

Almost surely, 2^121303090 is an apocalyptic number.

121303090 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

121303090 is a deficient number, since it is larger than the sum of its proper divisors (97042490).

121303090 is a wasteful number, since it uses less digits than its factorization.

121303090 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12130316.

The product of its (nonzero) digits is 162, while the sum is 19.

The square root of 121303090 is about 11013.7682016647. The cubic root of 121303090 is about 495.0213778476.

The spelling of 121303090 in words is "one hundred twenty-one million, three hundred three thousand, ninety".