1881038122 has 4 divisors (see below), whose sum is σ = 2821557186. Its totient is φ = 940519060.

The previous prime is 1881038099. The next prime is 1881038129. The reversal of 1881038122 is 2218301881.

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

It can be written as a sum of positive squares in only one way, i.e., 1845647521 + 35390601 = 42961^2 + 5949^2 .

It is not an unprimeable number, because it can be changed into a prime (1881038129) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 470259529 + ... + 470259532.

Almost surely, 2^1881038122 is an apocalyptic number.

1881038122 is a deficient number, since it is larger than the sum of its proper divisors (940519064).

1881038122 is an equidigital number, since it uses as much as digits as its factorization.

1881038122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 940519063.

The product of its (nonzero) digits is 6144, while the sum is 34.

The square root of 1881038122 is about 43370.9363744893. The cubic root of 1881038122 is about 1234.4282889835.

The spelling of 1881038122 in words is "one billion, eight hundred eighty-one million, thirty-eight thousand, one hundred twenty-two".