3138672122 has 4 divisors (see below), whose sum is σ = 4708008186. Its totient is φ = 1569336060.

The previous prime is 3138672077. The next prime is 3138672127. The reversal of 3138672122 is 2212768313.

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., 1671092641 + 1467579481 = 40879^2 + 38309^2 .

It is not an unprimeable number, because it can be changed into a prime (3138672127) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 784668029 + ... + 784668032.

Almost surely, 2^3138672122 is an apocalyptic number.

3138672122 is a deficient number, since it is larger than the sum of its proper divisors (1569336064).

3138672122 is a wasteful number, since it uses less digits than its factorization.

3138672122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1569336063.

The product of its digits is 24192, while the sum is 35.

The square root of 3138672122 is about 56023.8531520280. The cubic root of 3138672122 is about 1464.1379020093.

The spelling of 3138672122 in words is "three billion, one hundred thirty-eight million, six hundred seventy-two thousand, one hundred twenty-two".