2120232137 has 8 divisors (see below), whose sum is σ = 2217990600. Its totient is φ = 2024116864.

The previous prime is 2120232133. The next prime is 2120232143. The reversal of 2120232137 is 7312320212.

It can be written as a sum of positive squares in 4 ways, for example, as 351525001 + 1768707136 = 18749^2 + 42056^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2120232137 - 2² = 2120232133 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2120232133) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 408158 + ... + 413319.

It is an arithmetic number, because the mean of its divisors is an integer number (277248825).

Almost surely, 2^2120232137 is an apocalyptic number.

It is an amenable number.

2120232137 is a deficient number, since it is larger than the sum of its proper divisors (97758463).

2120232137 is an equidigital number, since it uses as much as digits as its factorization.

2120232137 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 821595.

The product of its (nonzero) digits is 1008, while the sum is 23.

The square root of 2120232137 is about 46045.9785106148. The cubic root of 2120232137 is about 1284.6785444507.

Adding to 2120232137 its reverse (7312320212), we get a palindrome (9432552349).

The spelling of 2120232137 in words is "two billion, one hundred twenty million, two hundred thirty-two thousand, one hundred thirty-seven".