2139120 has 60 divisors (see below), whose sum is σ = 7186296. Its totient is φ = 570240.

The previous prime is 2139107. The next prime is 2139131. The reversal of 2139120 is 219312.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (60).

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 = 2139093 and 2139102.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 766 + ... + 2205.

2^2139120 is an apocalyptic number.

2139120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2139120 is an abundant number, since it is smaller than the sum of its proper divisors (5047176).

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

2139120 is a wasteful number, since it uses less digits than its factorization.

2139120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2990 (or 2981 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 18.

The square root of 2139120 is about 1462.5730750974. The cubic root of 2139120 is about 128.8482079743.

The spelling of 2139120 in words is "two million, one hundred thirty-nine thousand, one hundred twenty".