2157735124 has 24 divisors (see below), whose sum is σ = 3824573480. Its totient is φ = 1065056256.

The previous prime is 2157735121. The next prime is 2157735161. The reversal of 2157735124 is 4215377512.

It can be written as a sum of positive squares in 4 ways, for example, as 282845124 + 1874890000 = 16818^2 + 43300^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2157735121) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 151894 + ... + 165490.

Almost surely, 2^2157735124 is an apocalyptic number.

It is an amenable number.

2157735124 is a deficient number, since it is larger than the sum of its proper divisors (1666838356).

2157735124 is a wasteful number, since it uses less digits than its factorization.

2157735124 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14107 (or 14105 counting only the distinct ones).

The product of its digits is 58800, while the sum is 37.

The square root of 2157735124 is about 46451.4275776321. The cubic root of 2157735124 is about 1292.2088479173.

The spelling of 2157735124 in words is "two billion, one hundred fifty-seven million, seven hundred thirty-five thousand, one hundred twenty-four".