121136892 has 24 divisors (see below), whose sum is σ = 283463376. Its totient is φ = 40263168.

The previous prime is 121136861. The next prime is 121136893. The reversal of 121136892 is 298631121.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121136893) 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, 10063 + ... + 18534.

It is an arithmetic number, because the mean of its divisors is an integer number (11810974).

Almost surely, 2^121136892 is an apocalyptic number.

121136892 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

121136892 is an abundant number, since it is smaller than the sum of its proper divisors (162326484).

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

121136892 is a wasteful number, since it uses less digits than its factorization.

121136892 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28957 (or 28955 counting only the distinct ones).

The product of its digits is 5184, while the sum is 33.

The square root of 121136892 is about 11006.2206047308. The cubic root of 121136892 is about 494.7951973902.

The spelling of 121136892 in words is "one hundred twenty-one million, one hundred thirty-six thousand, eight hundred ninety-two".