121154530 has 16 divisors (see below), whose sum is σ = 249232320. Its totient is φ = 41538672.

The previous prime is 121154513. The next prime is 121154557. The reversal of 121154530 is 35451121.

It is a happy number.

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, 865320 + ... + 865459.

It is an arithmetic number, because the mean of its divisors is an integer number (15577020).

Almost surely, 2^121154530 is an apocalyptic number.

121154530 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

121154530 is an abundant number, since it is smaller than the sum of its proper divisors (128077790).

121154530 is a wasteful number, since it uses less digits than its factorization.

121154530 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1730793.

The product of its (nonzero) digits is 600, while the sum is 22.

The square root of 121154530 is about 11007.0218497103. The cubic root of 121154530 is about 494.8192109229.

The spelling of 121154530 in words is "one hundred twenty-one million, one hundred fifty-four thousand, five hundred thirty".