121203132 has 36 divisors (see below), whose sum is σ = 300430200. Its totient is φ = 38023424.

The previous prime is 121203127. The next prime is 121203161. The reversal of 121203132 is 231302121.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 14007 + ... + 20942.

Almost surely, 2^121203132 is an apocalyptic number.

121203132 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

121203132 is an abundant number, since it is smaller than the sum of its proper divisors (179227068).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

121203132 is a wasteful number, since it uses less digits than its factorization.

121203132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34990 (or 34971 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 15.

The square root of 121203132 is about 11009.2294008255. The cubic root of 121203132 is about 494.8853688238.

Adding to 121203132 its reverse (231302121), we get a palindrome (352505253).

The spelling of 121203132 in words is "one hundred twenty-one million, two hundred three thousand, one hundred thirty-two".