2120464 has 10 divisors (see below), whose sum is σ = 4108430. Its totient is φ = 1060224.

The previous prime is 2120453. The next prime is 2120473. The reversal of 2120464 is 4640212.

It can be written as a sum of positive squares in only one way, i.e., 1710864 + 409600 = 1308^2 + 640^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 66249 + ... + 66280.

It is an arithmetic number, because the mean of its divisors is an integer number (410843).

2^2120464 is an apocalyptic number.

It is an amenable number.

2120464 is a deficient number, since it is larger than the sum of its proper divisors (1987966).

2120464 is a wasteful number, since it uses less digits than its factorization.

2120464 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 132537 (or 132531 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 19.

The square root of 2120464 is about 1456.1813073927. The cubic root of 2120464 is about 128.4725372431.

Adding to 2120464 its reverse (4640212), we get a palindrome (6760676).

The spelling of 2120464 in words is "two million, one hundred twenty thousand, four hundred sixty-four".