121442532 has 24 divisors (see below), whose sum is σ = 288170400. Its totient is φ = 39794496.

The previous prime is 121442491. The next prime is 121442549. The reversal of 121442532 is 235244121.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 85057 + ... + 86472.

It is an arithmetic number, because the mean of its divisors is an integer number (12007100).

Almost surely, 2^121442532 is an apocalyptic number.

121442532 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

121442532 is an abundant number, since it is smaller than the sum of its proper divisors (166727868).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

121442532 is a wasteful number, since it uses less digits than its factorization.

121442532 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 171595 (or 171593 counting only the distinct ones).

The product of its digits is 1920, while the sum is 24.

The square root of 121442532 is about 11020.0967327878. The cubic root of 121442532 is about 495.2109864781.

Adding to 121442532 its reverse (235244121), we get a palindrome (356686653).

The spelling of 121442532 in words is "one hundred twenty-one million, four hundred forty-two thousand, five hundred thirty-two".