2124720337 has 2 divisors, whose sum is σ = 2124720338. Its totient is φ = 2124720336.

The previous prime is 2124720317. The next prime is 2124720349. The reversal of 2124720337 is 7330274212.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2003368081 + 121352256 = 44759^2 + 11016^2 .

It is a cyclic number.

It is not a de Polignac number, because 2124720337 - 2¹⁵ = 2124687569 is a prime.

It is a super-2 number, since 2×2124720337² = 9028873020922787138, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2124720299 and 2124720308.

It is not a weakly prime, because it can be changed into another prime (2124720317) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1062360168 + 1062360169.

It is an arithmetic number, because the mean of its divisors is an integer number (1062360169).

Almost surely, 2^2124720337 is an apocalyptic number.

It is an amenable number.

2124720337 is a deficient number, since it is larger than the sum of its proper divisors (1).

2124720337 is an equidigital number, since it uses as much as digits as its factorization.

2124720337 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 14112, while the sum is 31.

The square root of 2124720337 is about 46094.6888155241. The cubic root of 2124720337 is about 1285.5843934568.

Adding to 2124720337 its reverse (7330274212), we get a palindrome (9454994549).

The spelling of 2124720337 in words is "two billion, one hundred twenty-four million, seven hundred twenty thousand, three hundred thirty-seven".