2126465 has 24 divisors (see below), whose sum is σ = 2977344. Its totient is φ = 1443200.

The previous prime is 2126459. The next prime is 2126491. The reversal of 2126465 is 5646212.

It is not a de Polignac number, because 2126465 - 2¹² = 2122369 is a prime.

It is a Duffinian number.

Its product of digits (2880) is a multiple of the sum of its prime divisors (80).

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 in 23 ways as a sum of consecutive naturals, for example, 51845 + ... + 51885.

It is an arithmetic number, because the mean of its divisors is an integer number (124056).

2^2126465 is an apocalyptic number.

It is an amenable number.

2126465 is a deficient number, since it is larger than the sum of its proper divisors (850879).

2126465 is a wasteful number, since it uses less digits than its factorization.

2126465 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 121 (or 80 counting only the distinct ones).

The product of its digits is 2880, while the sum is 26.

The square root of 2126465 is about 1458.2403779899. The cubic root of 2126465 is about 128.5936172757.

The spelling of 2126465 in words is "two million, one hundred twenty-six thousand, four hundred sixty-five".