121240132 has 24 divisors (see below), whose sum is σ = 235864832. Its totient is φ = 54151200.

The previous prime is 121240129. The next prime is 121240139. The reversal of 121240132 is 231042121.

It is not an unprimeable number, because it can be changed into a prime (121240139) 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, 35994 + ... + 39217.

Almost surely, 2^121240132 is an apocalyptic number.

It is an amenable number.

121240132 is a deficient number, since it is larger than the sum of its proper divisors (114624700).

121240132 is a wasteful number, since it uses less digits than its factorization.

121240132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 75259 (or 75257 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 16.

The square root of 121240132 is about 11010.9096808574. The cubic root of 121240132 is about 494.9357220212.

Adding to 121240132 its reverse (231042121), we get a palindrome (352282253).

The spelling of 121240132 in words is "one hundred twenty-one million, two hundred forty thousand, one hundred thirty-two".