1234013279 has 2 divisors, whose sum is σ = 1234013280. Its totient is φ = 1234013278.

The previous prime is 1234013251. The next prime is 1234013281. The reversal of 1234013279 is 9723104321.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1234013279 - 2⁸ = 1234013023 is a prime.

Together with 1234013281, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1234013219) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 617006639 + 617006640.

It is an arithmetic number, because the mean of its divisors is an integer number (617006640).

Almost surely, 2^1234013279 is an apocalyptic number.

1234013279 is a deficient number, since it is larger than the sum of its proper divisors (1).

1234013279 is an equidigital number, since it uses as much as digits as its factorization.

1234013279 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 9072, while the sum is 32.

The square root of 1234013279 is about 35128.5251469514. The cubic root of 1234013279 is about 1072.6053142690.

The spelling of 1234013279 in words is "one billion, two hundred thirty-four million, thirteen thousand, two hundred seventy-nine".