1245494339 has 2 divisors, whose sum is σ = 1245494340. Its totient is φ = 1245494338.

The previous prime is 1245494323. The next prime is 1245494353. The reversal of 1245494339 is 9334945421.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1245494339 - 2⁴ = 1245494323 is a prime.

It is a super-2 number, since 2×1245494339² = 3102512296962093842, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1245494339.

It is not a weakly prime, because it can be changed into another prime (1245494309) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 622747169 + 622747170.

It is an arithmetic number, because the mean of its divisors is an integer number (622747170).

Almost surely, 2^1245494339 is an apocalyptic number.

1245494339 is a deficient number, since it is larger than the sum of its proper divisors (1).

1245494339 is an equidigital number, since it uses as much as digits as its factorization.

1245494339 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 466560, while the sum is 44.

The square root of 1245494339 is about 35291.5618668259. The cubic root of 1245494339 is about 1075.9214998148.

The spelling of 1245494339 in words is "one billion, two hundred forty-five million, four hundred ninety-four thousand, three hundred thirty-nine".