132121403 has 4 divisors (see below), whose sum is σ = 132145560. Its totient is φ = 132097248.

The previous prime is 132121391. The next prime is 132121427. The reversal of 132121403 is 304121231.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-132121403 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (132124403) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 476 + ... + 16262.

It is an arithmetic number, because the mean of its divisors is an integer number (33036390).

Almost surely, 2^132121403 is an apocalyptic number.

132121403 is a deficient number, since it is larger than the sum of its proper divisors (24157).

132121403 is an equidigital number, since it uses as much as digits as its factorization.

132121403 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24156.

The product of its (nonzero) digits is 144, while the sum is 17.

The square root of 132121403 is about 11494.4074662420. The cubic root of 132121403 is about 509.3203852920.

Adding to 132121403 its reverse (304121231), we get a palindrome (436242634).

The spelling of 132121403 in words is "one hundred thirty-two million, one hundred twenty-one thousand, four hundred three".