121329032 has 32 divisors (see below), whose sum is σ = 248853600. Its totient is φ = 54998400.

The previous prime is 121329029. The next prime is 121329049. The reversal of 121329032 is 230923121.

Added to its reverse (230923121) it gives a triangular number (352252153 = T₂₆₅₄₂).

It is a junction number, because it is equal to n+sod(n) for n = 121328989 and 121329007.

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, 34307 + ... + 37677.

It is an arithmetic number, because the mean of its divisors is an integer number (7776675).

Almost surely, 2^121329032 is an apocalyptic number.

It is an amenable number.

121329032 is an abundant number, since it is smaller than the sum of its proper divisors (127524568).

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

121329032 is a wasteful number, since it uses less digits than its factorization.

121329032 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3797 (or 3793 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 23.

The square root of 121329032 is about 11014.9458464397. The cubic root of 121329032 is about 495.0566639211.

Adding to 121329032 its reverse (230923121), we get a triangular number (352252153 = T₂₆₅₄₂).

The spelling of 121329032 in words is "one hundred twenty-one million, three hundred twenty-nine thousand, thirty-two".