132220121 has 16 divisors (see below), whose sum is σ = 150292800. Its totient is φ = 115257600.

The previous prime is 132220117. The next prime is 132220157. The reversal of 132220121 is 121022231.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 132220121 - 2² = 132220117 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 132220096 and 132220105.

It is not an unprimeable number, because it can be changed into a prime (132220171) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 24125 + ... + 29093.

It is an arithmetic number, because the mean of its divisors is an integer number (9393300).

Almost surely, 2^132220121 is an apocalyptic number.

132220121 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

132220121 is a deficient number, since it is larger than the sum of its proper divisors (18072679).

132220121 is a wasteful number, since it uses less digits than its factorization.

132220121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5080.

The product of its (nonzero) digits is 48, while the sum is 14.

The square root of 132220121 is about 11498.7008396601. The cubic root of 132220121 is about 509.4472044432.

Adding to 132220121 its reverse (121022231), we get a palindrome (253242352).

The spelling of 132220121 in words is "one hundred thirty-two million, two hundred twenty thousand, one hundred twenty-one".