121451132 has 24 divisors (see below), whose sum is σ = 241944192. Its totient is φ = 52804400.

The previous prime is 121451107. The next prime is 121451147. The reversal of 121451132 is 231154121.

It is a congruent number.

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, 58994 + ... + 61017.

It is an arithmetic number, because the mean of its divisors is an integer number (10081008).

Almost surely, 2^121451132 is an apocalyptic number.

It is an amenable number.

121451132 is a deficient number, since it is larger than the sum of its proper divisors (120493060).

121451132 is a wasteful number, since it uses less digits than its factorization.

121451132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 120049 (or 120047 counting only the distinct ones).

The product of its digits is 240, while the sum is 20.

The square root of 121451132 is about 11020.4869220920. The cubic root of 121451132 is about 495.2226757215. Note that the first 3 decimals are identical.

The spelling of 121451132 in words is "one hundred twenty-one million, four hundred fifty-one thousand, one hundred thirty-two".