2151237103 has 6 divisors (see below), whose sum is σ = 2285224496. Its totient is φ = 2024693472.

The previous prime is 2151237089. The next prime is 2151237113. The reversal of 2151237103 is 3017321512.

It is a happy number.

It is a de Polignac number, because none of the positive numbers 2^k-2151237103 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2151237113) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 3721575 + ... + 3722152.

Almost surely, 2^2151237103 is an apocalyptic number.

2151237103 is a deficient number, since it is larger than the sum of its proper divisors (133987393).

2151237103 is an equidigital number, since it uses as much as digits as its factorization.

2151237103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7443761 (or 7443744 counting only the distinct ones).

The product of its (nonzero) digits is 1260, while the sum is 25.

The square root of 2151237103 is about 46381.4305838015. The cubic root of 2151237103 is about 1290.9103809496.

Adding to 2151237103 its reverse (3017321512), we get a palindrome (5168558615).

The spelling of 2151237103 in words is "two billion, one hundred fifty-one million, two hundred thirty-seven thousand, one hundred three".