121303432 has 32 divisors (see below), whose sum is σ = 245381400. Its totient is φ = 56003584.

The previous prime is 121303423. The next prime is 121303451. The reversal of 121303432 is 234303121.

It can be written as a sum of positive squares in 4 ways, for example, as 98128836 + 23174596 = 9906^2 + 4814^2 .

It is a super-2 number, since 2×121303432² = 29429045229957248, which contains 22 as substring.

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, 1207 + ... + 15622.

Almost surely, 2^121303432 is an apocalyptic number.

It is an amenable number.

121303432 is an abundant number, since it is smaller than the sum of its proper divisors (124077968).

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

121303432 is a wasteful number, since it uses less digits than its factorization.

121303432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16905 (or 16901 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 19.

The square root of 121303432 is about 11013.7837276751. The cubic root of 121303432 is about 495.0218430656.

Adding to 121303432 its reverse (234303121), we get a palindrome (355606553).

The spelling of 121303432 in words is "one hundred twenty-one million, three hundred three thousand, four hundred thirty-two".