1376091 has 6 divisors (see below), whose sum is σ = 1987700. Its totient is φ = 917388.

The previous prime is 1376077. The next prime is 1376093. The reversal of 1376091 is 1906731.

It is not a de Polignac number, because 1376091 - 2¹⁷ = 1245019 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1376093) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 76441 + ... + 76458.

2^1376091 is an apocalyptic number.

1376091 is a deficient number, since it is larger than the sum of its proper divisors (611609).

1376091 is a wasteful number, since it uses less digits than its factorization.

1376091 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 152905 (or 152902 counting only the distinct ones).

The product of its (nonzero) digits is 1134, while the sum is 27.

The square root of 1376091 is about 1173.0690516760. The cubic root of 1376091 is about 111.2284072051.

The spelling of 1376091 in words is "one million, three hundred seventy-six thousand, ninety-one".