1234245479 has 2 divisors, whose sum is σ = 1234245480. Its totient is φ = 1234245478.

The previous prime is 1234245449. The next prime is 1234245487. The reversal of 1234245479 is 9745424321.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1234245479 - 2¹² = 1234241383 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1234245449) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 617122739 + 617122740.

It is an arithmetic number, because the mean of its divisors is an integer number (617122740).

Almost surely, 2^1234245479 is an apocalyptic number.

1234245479 is a deficient number, since it is larger than the sum of its proper divisors (1).

1234245479 is an equidigital number, since it uses as much as digits as its factorization.

1234245479 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 241920, while the sum is 41.

The square root of 1234245479 is about 35131.8299978808. The cubic root of 1234245479 is about 1072.6725861907.

The spelling of 1234245479 in words is "one billion, two hundred thirty-four million, two hundred forty-five thousand, four hundred seventy-nine".