121135288 has 8 divisors (see below), whose sum is σ = 227128680. Its totient is φ = 60567640.

The previous prime is 121135253. The next prime is 121135327. The reversal of 121135288 is 882531121.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7570948 + ... + 7570963.

It is an arithmetic number, because the mean of its divisors is an integer number (28391085).

Almost surely, 2^121135288 is an apocalyptic number.

It is an amenable number.

121135288 is a deficient number, since it is larger than the sum of its proper divisors (105993392).

121135288 is a wasteful number, since it uses less digits than its factorization.

121135288 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15141917 (or 15141913 counting only the distinct ones).

The product of its digits is 3840, while the sum is 31.

The square root of 121135288 is about 11006.1477366061. The cubic root of 121135288 is about 494.7930134835.

The spelling of 121135288 in words is "one hundred twenty-one million, one hundred thirty-five thousand, two hundred eighty-eight".