1274790379 has 2 divisors, whose sum is σ = 1274790380. Its totient is φ = 1274790378.

The previous prime is 1274790367. The next prime is 1274790431. The reversal of 1274790379 is 9730974721.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1274790379 - 2⁵ = 1274790347 is a prime.

It is not a weakly prime, because it can be changed into another prime (1274700379) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 637395189 + 637395190.

It is an arithmetic number, because the mean of its divisors is an integer number (637395190).

Almost surely, 2^1274790379 is an apocalyptic number.

1274790379 is a deficient number, since it is larger than the sum of its proper divisors (1).

1274790379 is an equidigital number, since it uses as much as digits as its factorization.

1274790379 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 666792, while the sum is 49.

The square root of 1274790379 is about 35704.2067409430. The cubic root of 1274790379 is about 1084.2920137907.

The spelling of 1274790379 in words is "one billion, two hundred seventy-four million, seven hundred ninety thousand, three hundred seventy-nine".