121134290 has 16 divisors (see below), whose sum is σ = 218851200. Its totient is φ = 48273840.

The previous prime is 121134289. The next prime is 121134341. The reversal of 121134290 is 92431121.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19640 + ... + 25059.

It is an arithmetic number, because the mean of its divisors is an integer number (13678200).

Almost surely, 2^121134290 is an apocalyptic number.

121134290 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

121134290 is a deficient number, since it is larger than the sum of its proper divisors (97716910).

121134290 is a wasteful number, since it uses less digits than its factorization.

121134290 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44977.

The product of its (nonzero) digits is 432, while the sum is 23.

The square root of 121134290 is about 11006.1023982153. The cubic root of 121134290 is about 494.7916546590.

The spelling of 121134290 in words is "one hundred twenty-one million, one hundred thirty-four thousand, two hundred ninety".