2120497 has 4 divisors (see below), whose sum is σ = 2136816. Its totient is φ = 2104180.

The previous prime is 2120473. The next prime is 2120513. The reversal of 2120497 is 7940212.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 2120497 - 2¹¹ = 2118449 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2120297) 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, 7963 + ... + 8224.

It is an arithmetic number, because the mean of its divisors is an integer number (534204).

2^2120497 is an apocalyptic number.

It is an amenable number.

2120497 is a deficient number, since it is larger than the sum of its proper divisors (16319).

2120497 is a wasteful number, since it uses less digits than its factorization.

2120497 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16318.

The product of its (nonzero) digits is 1008, while the sum is 25.

The square root of 2120497 is about 1456.1926383552. The cubic root of 2120497 is about 128.4732036965.

The spelling of 2120497 in words is "two million, one hundred twenty thousand, four hundred ninety-seven".