121201132 has 24 divisors (see below), whose sum is σ = 228797856. Its totient is φ = 55845888.

The previous prime is 121201127. The next prime is 121201153. The reversal of 121201132 is 231102121.

It is a Harshad number since it is a multiple of its sum of digits (13).

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, 37068 + ... + 40204.

It is an arithmetic number, because the mean of its divisors is an integer number (9533244).

Almost surely, 2^121201132 is an apocalyptic number.

It is an amenable number.

121201132 is a deficient number, since it is larger than the sum of its proper divisors (107596724).

121201132 is a wasteful number, since it uses less digits than its factorization.

121201132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3897 (or 3895 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 13.

The square root of 121201132 is about 11009.1385675719. The cubic root of 121201132 is about 494.8826467374.

Adding to 121201132 its reverse (231102121), we get a palindrome (352303253).

The spelling of 121201132 in words is "one hundred twenty-one million, two hundred one thousand, one hundred thirty-two".