2124397 has 12 divisors (see below), whose sum is σ = 2372188. Its totient is φ = 1900800.

The previous prime is 2124377. The next prime is 2124401. The reversal of 2124397 is 7934212.

It can be written as a sum of positive squares in 2 ways, for example, as 352836 + 1771561 = 594^2 + 1331^2 .

It is not a de Polignac number, because 2124397 - 2¹¹ = 2122349 is a prime.

It is a super-2 number, since 2×2124397² = 9026125227218, which contains 22 as substring.

It is a hoax number, since the sum of its digits (28) coincides with the sum of the digits of its distinct prime factors.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2124377) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 11647 + ... + 11827.

2^2124397 is an apocalyptic number.

It is an amenable number.

2124397 is a deficient number, since it is larger than the sum of its proper divisors (247791).

2124397 is a wasteful number, since it uses less digits than its factorization.

2124397 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 300 (or 289 counting only the distinct ones).

The product of its digits is 3024, while the sum is 28.

The square root of 2124397 is about 1457.5311317430. The cubic root of 2124397 is about 128.5519177331.

The spelling of 2124397 in words is "two million, one hundred twenty-four thousand, three hundred ninety-seven".