121332130 has 32 divisors (see below), whose sum is σ = 228541824. Its totient is φ = 46290816.

The previous prime is 121332121. The next prime is 121332191. The reversal of 121332130 is 31233121.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 129022 + ... + 129958.

It is an arithmetic number, because the mean of its divisors is an integer number (7141932).

Almost surely, 2^121332130 is an apocalyptic number.

121332130 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

121332130 is a deficient number, since it is larger than the sum of its proper divisors (107209694).

121332130 is a wasteful number, since it uses less digits than its factorization.

121332130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1530.

The product of its (nonzero) digits is 108, while the sum is 16.

The square root of 121332130 is about 11015.0864726520. The cubic root of 121332130 is about 495.0608774564.

Adding to 121332130 its reverse (31233121), we get a palindrome (152565251).

Subtracting from 121332130 its reverse (31233121), we obtain a palindrome (90099009).

The spelling of 121332130 in words is "one hundred twenty-one million, three hundred thirty-two thousand, one hundred thirty".