132121100 has 54 divisors (see below), whose sum is σ = 297119004. Its totient is φ = 50993600.

The previous prime is 132121091. The next prime is 132121109. The reversal of 132121100 is 1121231.

It is an interprime number because it is at equal distance from previous prime (132121091) and next prime (132121109).

It is not an unprimeable number, because it can be changed into a prime (132121109) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 83315 + ... + 84885.

Almost surely, 2^132121100 is an apocalyptic number.

132121100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 132121100, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (148559502).

132121100 is an abundant number, since it is smaller than the sum of its proper divisors (164997904).

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

132121100 is a wasteful number, since it uses less digits than its factorization.

132121100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1643 (or 1607 counting only the distinct ones).

The product of its (nonzero) digits is 12, while the sum is 11.

The square root of 132121100 is about 11494.3942859117. The cubic root of 132121100 is about 509.3199959426.

Adding to 132121100 its reverse (1121231), we get a palindrome (133242331).

The spelling of 132121100 in words is "one hundred thirty-two million, one hundred twenty-one thousand, one hundred".