1140424279 has 2 divisors, whose sum is σ = 1140424280. Its totient is φ = 1140424278.

The previous prime is 1140424189. The next prime is 1140424283. The reversal of 1140424279 is 9724240411.

It is a happy number.

It is a strong prime.

It is an emirp because it is prime and its reverse (9724240411) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1140424279 is a prime.

It is a super-2 number, since 2×1140424279² = 2601135072265339682, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1140421279) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 570212139 + 570212140.

It is an arithmetic number, because the mean of its divisors is an integer number (570212140).

Almost surely, 2^1140424279 is an apocalyptic number.

1140424279 is a deficient number, since it is larger than the sum of its proper divisors (1).

1140424279 is an equidigital number, since it uses as much as digits as its factorization.

1140424279 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 16128, while the sum is 34.

The square root of 1140424279 is about 33770.1684775187. The cubic root of 1140424279 is about 1044.7735073799.

The spelling of 1140424279 in words is "one billion, one hundred forty million, four hundred twenty-four thousand, two hundred seventy-nine".