1275379 has 8 divisors (see below), whose sum is σ = 1467648. Its totient is φ = 1085640.

The previous prime is 1275361. The next prime is 1275401. The reversal of 1275379 is 9735721.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1275379 - 2¹¹ = 1273331 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1275319) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 624 + ... + 1714.

It is an arithmetic number, because the mean of its divisors is an integer number (183456).

2^1275379 is an apocalyptic number.

1275379 is a deficient number, since it is larger than the sum of its proper divisors (192269).

1275379 is a wasteful number, since it uses less digits than its factorization.

1275379 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1265.

The product of its digits is 13230, while the sum is 34.

The square root of 1275379 is about 1129.3267906147. The cubic root of 1275379 is about 108.4458874908.

The spelling of 1275379 in words is "one million, two hundred seventy-five thousand, three hundred seventy-nine".