2120930 has 32 divisors (see below), whose sum is σ = 4475520. Its totient is φ = 708480.

The previous prime is 2120917. The next prime is 2120933. The reversal of 2120930 is 390212.

It is a junction number, because it is equal to n+sod(n) for n = 2120899 and 2120908.

It is not an unprimeable number, because it can be changed into a prime (2120933) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2501 + ... + 3239.

It is an arithmetic number, because the mean of its divisors is an integer number (139860).

2^2120930 is an apocalyptic number.

2120930 is an abundant number, since it is smaller than the sum of its proper divisors (2354590).

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

2120930 is a wasteful number, since it uses less digits than its factorization.

2120930 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 794.

The product of its (nonzero) digits is 108, while the sum is 17.

The square root of 2120930 is about 1456.3413061505. The cubic root of 2120930 is about 128.4819477333.

It can be divided in two parts, 2 and 120930, that multiplied together give a triangular number (241860 = T₆₉₅).

The spelling of 2120930 in words is "two million, one hundred twenty thousand, nine hundred thirty".