1379091 has 16 divisors (see below), whose sum is σ = 2225664. Its totient is φ = 741504.

The previous prime is 1379089. The next prime is 1379099. The reversal of 1379091 is 1909731.

It is not a de Polignac number, because 1379091 - 2¹ = 1379089 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1379099) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1575 + ... + 2288.

It is an arithmetic number, because the mean of its divisors is an integer number (139104).

2^1379091 is an apocalyptic number.

1379091 is a deficient number, since it is larger than the sum of its proper divisors (846573).

1379091 is a wasteful number, since it uses less digits than its factorization.

1379091 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3890.

The product of its (nonzero) digits is 1701, while the sum is 30.

The square root of 1379091 is about 1174.3470526212. The cubic root of 1379091 is about 111.3091777906.

The spelling of 1379091 in words is "one million, three hundred seventy-nine thousand, ninety-one".