1270379 has 6 divisors (see below), whose sum is σ = 1396500. Its totient is φ = 1154780.

The previous prime is 1270361. The next prime is 1270391. The reversal of 1270379 is 9730721.

It is a happy number.

It is not a de Polignac number, because 1270379 - 2⁸ = 1270123 is a prime.

It is a super-2 number, since 2×1270379² = 3227725607282, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1270309) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 5129 + ... + 5370.

It is an arithmetic number, because the mean of its divisors is an integer number (232750).

2^1270379 is an apocalyptic number.

1270379 is a deficient number, since it is larger than the sum of its proper divisors (126121).

1270379 is a wasteful number, since it uses less digits than its factorization.

1270379 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10521 (or 10510 counting only the distinct ones).

The product of its (nonzero) digits is 2646, while the sum is 29.

The square root of 1270379 is about 1127.1109084735. The cubic root of 1270379 is about 108.3039846863.

The spelling of 1270379 in words is "one million, two hundred seventy thousand, three hundred seventy-nine".