132121442 has 16 divisors (see below), whose sum is σ = 205066752. Its totient is φ = 63776160.

The previous prime is 132121439. The next prime is 132121471. The reversal of 132121442 is 244121231.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 26003 + ... + 30665.

It is an arithmetic number, because the mean of its divisors is an integer number (12816672).

Almost surely, 2^132121442 is an apocalyptic number.

132121442 is a deficient number, since it is larger than the sum of its proper divisors (72945310).

132121442 is a wasteful number, since it uses less digits than its factorization.

132121442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5153.

The product of its digits is 384, while the sum is 20.

The square root of 132121442 is about 11494.4091627191. The cubic root of 132121442 is about 509.3204354063.

Adding to 132121442 its reverse (244121231), we get a palindrome (376242673).

The spelling of 132121442 in words is "one hundred thirty-two million, one hundred twenty-one thousand, four hundred forty-two".