170981122 has 16 divisors (see below), whose sum is σ = 279699840. Its totient is φ = 77914512.

The previous prime is 170981117. The next prime is 170981123. The reversal of 170981122 is 221189071.

It is not an unprimeable number, because it can be changed into a prime (170981123) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 39568 + ... + 43675.

It is an arithmetic number, because the mean of its divisors is an integer number (17481240).

Almost surely, 2^170981122 is an apocalyptic number.

170981122 is a deficient number, since it is larger than the sum of its proper divisors (108718718).

170981122 is a wasteful number, since it uses less digits than its factorization.

170981122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 83337.

The product of its (nonzero) digits is 2016, while the sum is 31.

The square root of 170981122 is about 13075.9749923285. The cubic root of 170981122 is about 555.0294841356.

The spelling of 170981122 in words is "one hundred seventy million, nine hundred eighty-one thousand, one hundred twenty-two".