2120936 has 8 divisors (see below), whose sum is σ = 3976770. Its totient is φ = 1060464.

The previous prime is 2120933. The next prime is 2120941. The reversal of 2120936 is 6390212.

It can be written as a sum of positive squares in only one way, i.e., 1876900 + 244036 = 1370^2 + 494^2 .

It is a tau number, because it is divible by the number of its divisors (8).

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 as a sum of consecutive naturals, namely, 132551 + ... + 132566.

2^2120936 is an apocalyptic number.

It is an amenable number.

2120936 is a deficient number, since it is larger than the sum of its proper divisors (1855834).

2120936 is a wasteful number, since it uses less digits than its factorization.

2120936 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 265123 (or 265119 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 23.

The square root of 2120936 is about 1456.3433661057. The cubic root of 2120936 is about 128.4820688894.

The spelling of 2120936 in words is "two million, one hundred twenty thousand, nine hundred thirty-six".