121403132 has 24 divisors (see below), whose sum is σ = 219596832. Its totient is φ = 58688000.

The previous prime is 121403119. The next prime is 121403153. The reversal of 121403132 is 231304121.

It is a self number, because there is not a number n which added to its sum of digits gives 121403132.

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, 15257 + ... + 21807.

It is an arithmetic number, because the mean of its divisors is an integer number (9149868).

Almost surely, 2^121403132 is an apocalyptic number.

It is an amenable number.

121403132 is a deficient number, since it is larger than the sum of its proper divisors (98193700).

121403132 is a wasteful number, since it uses less digits than its factorization.

121403132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6709 (or 6707 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 17.

The square root of 121403132 is about 11018.3089446612. The cubic root of 121403132 is about 495.1574263759.

Adding to 121403132 its reverse (231304121), we get a palindrome (352707253).

The spelling of 121403132 in words is "one hundred twenty-one million, four hundred three thousand, one hundred thirty-two".