121135056 has 60 divisors (see below), whose sum is σ = 364030272. Its totient is φ = 34609344.

The previous prime is 121135019. The next prime is 121135061. The reversal of 121135056 is 650531121.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 23400 + ... + 28103.

Almost surely, 2^121135056 is an apocalyptic number.

121135056 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

121135056 is an abundant number, since it is smaller than the sum of its proper divisors (242895216).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

121135056 is a wasteful number, since it uses less digits than its factorization.

121135056 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51528 (or 51515 counting only the distinct ones).

The product of its (nonzero) digits is 900, while the sum is 24.

The square root of 121135056 is about 11006.1371970369. The cubic root of 121135056 is about 494.7926976051.

Adding to 121135056 its reverse (650531121), we get a palindrome (771666177).

The spelling of 121135056 in words is "one hundred twenty-one million, one hundred thirty-five thousand, fifty-six".