122100442 has 8 divisors (see below), whose sum is σ = 183676500. Its totient is φ = 60874944.

The previous prime is 122100437. The next prime is 122100493. The reversal of 122100442 is 244001221.

It can be written as a sum of positive squares in 2 ways, for example, as 104468841 + 17631601 = 10221^2 + 4199^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 86767 + ... + 88162.

Almost surely, 2^122100442 is an apocalyptic number.

122100442 is a deficient number, since it is larger than the sum of its proper divisors (61576058).

122100442 is a wasteful number, since it uses less digits than its factorization.

122100442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 175280.

The product of its (nonzero) digits is 128, while the sum is 16.

The square root of 122100442 is about 11049.9068774357. The cubic root of 122100442 is about 496.1036382680.

Adding to 122100442 its reverse (244001221), we get a palindrome (366101663).

The spelling of 122100442 in words is "one hundred twenty-two million, one hundred thousand, four hundred forty-two".