1042345379 has 2 divisors, whose sum is σ = 1042345380. Its totient is φ = 1042345378.

The previous prime is 1042345313. The next prime is 1042345397. The reversal of 1042345379 is 9735432401.

Together with next prime (1042345397) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1042345379 - 2¹² = 1042341283 is a prime.

It is not a weakly prime, because it can be changed into another prime (1042345399) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 521172689 + 521172690.

It is an arithmetic number, because the mean of its divisors is an integer number (521172690).

Almost surely, 2^1042345379 is an apocalyptic number.

1042345379 is a deficient number, since it is larger than the sum of its proper divisors (1).

1042345379 is an equidigital number, since it uses as much as digits as its factorization.

1042345379 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 90720, while the sum is 38.

The square root of 1042345379 is about 32285.3740724806. The cubic root of 1042345379 is about 1013.9204482898.

The spelling of 1042345379 in words is "one billion, forty-two million, three hundred forty-five thousand, three hundred seventy-nine".