3156122 has 4 divisors (see below), whose sum is σ = 4734186. Its totient is φ = 1578060.

The previous prime is 3156121. The next prime is 3156151. The reversal of 3156122 is 2216513.

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., 2719201 + 436921 = 1649^2 + 661^2 .

It is a super-2 number, since 2×3156122² = 19922212157768, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 3156094 and 3156103.

It is not an unprimeable number, because it can be changed into a prime (3156121) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 789029 + ... + 789032.

Almost surely, 2^3156122 is an apocalyptic number.

3156122 is a deficient number, since it is larger than the sum of its proper divisors (1578064).

3156122 is a wasteful number, since it uses less digits than its factorization.

3156122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1578063.

The product of its digits is 360, while the sum is 20.

The square root of 3156122 is about 1776.5477758845. The cubic root of 3156122 is about 146.6846247524.

The spelling of 3156122 in words is "three million, one hundred fifty-six thousand, one hundred twenty-two".