1234013251 has 2 divisors, whose sum is σ = 1234013252. Its totient is φ = 1234013250.

The previous prime is 1234013219. The next prime is 1234013279. The reversal of 1234013251 is 1523104321.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1234013251 - 2⁵ = 1234013219 is a prime.

It is not a weakly prime, because it can be changed into another prime (1234013201) 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 as a sum of consecutive naturals, namely, 617006625 + 617006626.

It is an arithmetic number, because the mean of its divisors is an integer number (617006626).

Almost surely, 2^1234013251 is an apocalyptic number.

1234013251 is a deficient number, since it is larger than the sum of its proper divisors (1).

1234013251 is an equidigital number, since it uses as much as digits as its factorization.

1234013251 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 720, while the sum is 22.

The square root of 1234013251 is about 35128.5247484149. The cubic root of 1234013251 is about 1072.6053061564.

Adding to 1234013251 its reverse (1523104321), we get a palindrome (2757117572).

The spelling of 1234013251 in words is "one billion, two hundred thirty-four million, thirteen thousand, two hundred fifty-one".