3156120 has 96 divisors (see below), whose sum is σ = 11203920. Its totient is φ = 764160.

The previous prime is 3156113. The next prime is 3156121. The reversal of 3156120 is 216513.

It is a super-2 number, since 2×3156120² = 19922186908800, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 3156093 and 3156102.

It is a congruent number.

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

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3562 + ... + 4358.

Almost surely, 2^3156120 is an apocalyptic number.

3156120 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3156120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5601960).

3156120 is an abundant number, since it is smaller than the sum of its proper divisors (8047800).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

3156120 is a wasteful number, since it uses less digits than its factorization.

3156120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 825 (or 818 counting only the distinct ones).

The product of its (nonzero) digits is 180, while the sum is 18.

The square root of 3156120 is about 1776.5472129949. The cubic root of 3156120 is about 146.6845937683.

The spelling of 3156120 in words is "three million, one hundred fifty-six thousand, one hundred twenty".