3138122 has 16 divisors (see below), whose sum is σ = 5112072. Its totient is φ = 1436160.

The previous prime is 3138103. The next prime is 3138127. The reversal of 3138122 is 2218313.

It can be written as a sum of positive squares in 4 ways, for example, as 1771561 + 1366561 = 1331^2 + 1169^2 .

It is a junction number, because it is equal to n+sod(n) for n = 3138094 and 3138103.

It is not an unprimeable number, because it can be changed into a prime (3138127) 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, 3122 + ... + 4002.

Almost surely, 2^3138122 is an apocalyptic number.

3138122 is a deficient number, since it is larger than the sum of its proper divisors (1973950).

3138122 is a wasteful number, since it uses less digits than its factorization.

3138122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1033.

The product of its digits is 288, while the sum is 20.

The square root of 3138122 is about 1771.4745270537. The cubic root of 3138122 is about 146.4052356116.

The spelling of 3138122 in words is "three million, one hundred thirty-eight thousand, one hundred twenty-two".