1142346379 has 2 divisors, whose sum is σ = 1142346380. Its totient is φ = 1142346378.

The previous prime is 1142346371. The next prime is 1142346383. The reversal of 1142346379 is 9736432411.

It is a strong prime.

It is an emirp because it is prime and its reverse (9736432411) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1142346379 - 2³ = 1142346371 is a prime.

It is a super-2 number, since 2×1142346379² = 2609910499228823282, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1142346371) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 571173189 + 571173190.

It is an arithmetic number, because the mean of its divisors is an integer number (571173190).

Almost surely, 2^1142346379 is an apocalyptic number.

1142346379 is a deficient number, since it is larger than the sum of its proper divisors (1).

1142346379 is an equidigital number, since it uses as much as digits as its factorization.

1142346379 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 108864, while the sum is 40.

The square root of 1142346379 is about 33798.6150455903. The cubic root of 1142346379 is about 1045.3601405157.

The spelling of 1142346379 in words is "one billion, one hundred forty-two million, three hundred forty-six thousand, three hundred seventy-nine".