121342132 has 24 divisors (see below), whose sum is σ = 223879040. Its totient is φ = 57386880.

The previous prime is 121342127. The next prime is 121342139. The reversal of 121342132 is 231243121.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (19).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121342139) 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, 92908 + ... + 94204.

Almost surely, 2^121342132 is an apocalyptic number.

It is an amenable number.

121342132 is a deficient number, since it is larger than the sum of its proper divisors (102536908).

121342132 is a wasteful number, since it uses less digits than its factorization.

121342132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2551 (or 2549 counting only the distinct ones).

The product of its digits is 288, while the sum is 19.

The square root of 121342132 is about 11015.5404769807. The cubic root of 121342132 is about 495.0744805112.

Adding to 121342132 its reverse (231243121), we get a palindrome (352585253).

The spelling of 121342132 in words is "one hundred twenty-one million, three hundred forty-two thousand, one hundred thirty-two".