2124257396 has 12 divisors (see below), whose sum is σ = 3808120260. Its totient is φ = 1036223040.

The previous prime is 2124257393. The next prime is 2124257407. The reversal of 2124257396 is 6937524212.

It can be written as a sum of positive squares in 2 ways, for example, as 631516900 + 1492740496 = 25130^2 + 38636^2 .

It is a Harshad number since it is a multiple of its sum of digits (41).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2124257393) 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, 6476231 + ... + 6476558.

It is an arithmetic number, because the mean of its divisors is an integer number (317343355).

Almost surely, 2^2124257396 is an apocalyptic number.

It is an amenable number.

2124257396 is a deficient number, since it is larger than the sum of its proper divisors (1683862864).

2124257396 is a wasteful number, since it uses less digits than its factorization.

2124257396 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12952834 (or 12952832 counting only the distinct ones).

The product of its digits is 181440, while the sum is 41.

The square root of 2124257396 is about 46089.6669113588. Note that the first 3 decimals coincide. The cubic root of 2124257396 is about 1285.4910175673.

The spelling of 2124257396 in words is "two billion, one hundred twenty-four million, two hundred fifty-seven thousand, three hundred ninety-six".