121132776 has 32 divisors (see below), whose sum is σ = 303284160. Its totient is φ = 40317312.

The previous prime is 121132757. The next prime is 121132777. The reversal of 121132776 is 677231121.

It is not an unprimeable number, because it can be changed into a prime (121132777) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14436 + ... + 21228.

It is an arithmetic number, because the mean of its divisors is an integer number (9477630).

Almost surely, 2^121132776 is an apocalyptic number.

It is an amenable number.

121132776 is an abundant number, since it is smaller than the sum of its proper divisors (182151384).

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

121132776 is a wasteful number, since it uses less digits than its factorization.

121132776 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7545 (or 7541 counting only the distinct ones).

The product of its digits is 3528, while the sum is 30.

The square root of 121132776 is about 11006.0336179752. The cubic root of 121132776 is about 494.7895932618.

Adding to 121132776 its reverse (677231121), we get a palindrome (798363897).

The spelling of 121132776 in words is "one hundred twenty-one million, one hundred thirty-two thousand, seven hundred seventy-six".