2870122 has 4 divisors (see below), whose sum is σ = 4305186. Its totient is φ = 1435060.

The previous prime is 2870113. The next prime is 2870171. The reversal of 2870122 is 2210782.

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., 2692881 + 177241 = 1641^2 + 421^2 .

It is a Smith number, since the sum of its digits (22) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a junction number, because it is equal to n+sod(n) for n = 2870093 and 2870102.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 717529 + ... + 717532.

2^2870122 is an apocalyptic number.

2870122 is a deficient number, since it is larger than the sum of its proper divisors (1435064).

2870122 is a wasteful number, since it uses less digits than its factorization.

2870122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1435063.

The product of its (nonzero) digits is 448, while the sum is 22.

The square root of 2870122 is about 1694.1434413886. The cubic root of 2870122 is about 142.1128838548.

It can be divided in two parts, 2870 and 122, that added together give a palindrome (2992).

The spelling of 2870122 in words is "two million, eight hundred seventy thousand, one hundred twenty-two".