121031330 has 128 divisors (see below), whose sum is σ = 285534720. Its totient is φ = 35942400.

The previous prime is 121031327. The next prime is 121031363. The reversal of 121031330 is 33130121.

It is a Harshad number since it is a multiple of its sum of digits (14).

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1198280 + ... + 1198380.

It is an arithmetic number, because the mean of its divisors is an integer number (2230740).

Almost surely, 2^121031330 is an apocalyptic number.

121031330 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

121031330 is an abundant number, since it is smaller than the sum of its proper divisors (164503390).

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

121031330 is a wasteful number, since it uses less digits than its factorization.

121031330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 204.

The product of its (nonzero) digits is 54, while the sum is 14.

The square root of 121031330 is about 11001.4239987376. The cubic root of 121031330 is about 494.6514295995.

Adding to 121031330 its reverse (33130121), we get a palindrome (154161451).

The spelling of 121031330 in words is "one hundred twenty-one million, thirty-one thousand, three hundred thirty".