121125532 has 24 divisors (see below), whose sum is σ = 243411840. Its totient is φ = 52158960.

The previous prime is 121125479. The next prime is 121125553. The reversal of 121125532 is 235521121.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 71608 + ... + 73279.

It is an arithmetic number, because the mean of its divisors is an integer number (10142160).

Almost surely, 2^121125532 is an apocalyptic number.

It is an amenable number.

121125532 is an abundant number, since it is smaller than the sum of its proper divisors (122286308).

121125532 is a wasteful number, since it uses less digits than its factorization.

121125532 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 144921 (or 144919 counting only the distinct ones).

The product of its digits is 600, while the sum is 22.

The square root of 121125532 is about 11005.7045208383. The cubic root of 121125532 is about 494.7797299052.

Adding to 121125532 its reverse (235521121), we get a palindrome (356646653).

The spelling of 121125532 in words is "one hundred twenty-one million, one hundred twenty-five thousand, five hundred thirty-two".