2120963 has 4 divisors (see below), whose sum is σ = 2284128. Its totient is φ = 1957800.

The previous prime is 2120957. The next prime is 2120977. The reversal of 2120963 is 3690212.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 2120963 - 2⁴ = 2120947 is a prime.

It is a Duffinian number.

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 3 ways as a sum of consecutive naturals, for example, 81563 + ... + 81588.

It is an arithmetic number, because the mean of its divisors is an integer number (571032).

2^2120963 is an apocalyptic number.

2120963 is a deficient number, since it is larger than the sum of its proper divisors (163165).

2120963 is a wasteful number, since it uses less digits than its factorization.

2120963 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 163164.

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

The square root of 2120963 is about 1456.3526358681. The cubic root of 2120963 is about 128.4826140891.

The spelling of 2120963 in words is "two million, one hundred twenty thousand, nine hundred sixty-three".