2120700 has 36 divisors (see below), whose sum is σ = 6136760. Its totient is φ = 565440.

The previous prime is 2120693. The next prime is 2120731. The reversal of 2120700 is 70212.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a nialpdrome in base 12.

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, 3235 + ... + 3834.

2^2120700 is an apocalyptic number.

2120700 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2120700 is an abundant number, since it is smaller than the sum of its proper divisors (4016060).

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

2120700 is a wasteful number, since it uses less digits than its factorization.

2120700 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7086 (or 7079 counting only the distinct ones).

The product of its (nonzero) digits is 28, while the sum is 12.

The square root of 2120700 is about 1456.2623390035. The cubic root of 2120700 is about 128.4773032430.

Adding to 2120700 its reverse (70212), we get a palindrome (2190912).

The spelling of 2120700 in words is "two million, one hundred twenty thousand, seven hundred".