121137759 has 12 divisors (see below), whose sum is σ = 175117800. Its totient is φ = 80693424.

The previous prime is 121137719. The next prime is 121137763. The reversal of 121137759 is 957731121.

It is not a de Polignac number, because 121137759 - 2¹⁶ = 121072223 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121137719) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 8152 + ... + 17570.

It is an arithmetic number, because the mean of its divisors is an integer number (14593150).

Almost surely, 2^121137759 is an apocalyptic number.

121137759 is a deficient number, since it is larger than the sum of its proper divisors (53980041).

121137759 is a wasteful number, since it uses less digits than its factorization.

121137759 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10854 (or 10851 counting only the distinct ones).

The product of its digits is 13230, while the sum is 36.

The square root of 121137759 is about 11006.2599914776. The cubic root of 121137759 is about 494.7963778355.

The spelling of 121137759 in words is "one hundred twenty-one million, one hundred thirty-seven thousand, seven hundred fifty-nine".