121404532 has 6 divisors (see below), whose sum is σ = 212457938. Its totient is φ = 60702264.

The previous prime is 121404529. The next prime is 121404539. The reversal of 121404532 is 235404121.

It can be written as a sum of positive squares in only one way, i.e., 120692196 + 712336 = 10986^2 + 844^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121404539) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15175563 + ... + 15175570.

Almost surely, 2^121404532 is an apocalyptic number.

It is an amenable number.

121404532 is a deficient number, since it is larger than the sum of its proper divisors (91053406).

121404532 is a wasteful number, since it uses less digits than its factorization.

121404532 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30351137 (or 30351135 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 22.

The square root of 121404532 is about 11018.3724750981. The cubic root of 121404532 is about 495.1593297253.

Adding to 121404532 its reverse (235404121), we get a palindrome (356808653).

The spelling of 121404532 in words is "one hundred twenty-one million, four hundred four thousand, five hundred thirty-two".