121306132 has 12 divisors (see below), whose sum is σ = 212508576. Its totient is φ = 60589400.

The previous prime is 121306103. The next prime is 121306147. The reversal of 121306132 is 231603121.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11494 + ... + 19357.

It is an arithmetic number, because the mean of its divisors is an integer number (17709048).

Almost surely, 2^121306132 is an apocalyptic number.

It is an amenable number.

121306132 is a deficient number, since it is larger than the sum of its proper divisors (91202444).

121306132 is a wasteful number, since it uses less digits than its factorization.

121306132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31838 (or 31836 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 19.

The square root of 121306132 is about 11013.9063006728. The cubic root of 121306132 is about 495.0255158088.

Adding to 121306132 its reverse (231603121), we get a palindrome (352909253).

The spelling of 121306132 in words is "one hundred twenty-one million, three hundred six thousand, one hundred thirty-two".