1274891 has 4 divisors (see below), whose sum is σ = 1280832. Its totient is φ = 1268952.

The previous prime is 1274879. The next prime is 1274899. The reversal of 1274891 is 1984721.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1984721 = 19 ⋅104459.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1274891 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1274899) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2636 + ... + 3081.

It is an arithmetic number, because the mean of its divisors is an integer number (320208).

2^1274891 is an apocalyptic number.

1274891 is a deficient number, since it is larger than the sum of its proper divisors (5941).

1274891 is an equidigital number, since it uses as much as digits as its factorization.

1274891 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5940.

The product of its digits is 4032, while the sum is 32.

The square root of 1274891 is about 1129.1107120207. The cubic root of 1274891 is about 108.4320541272.

The spelling of 1274891 in words is "one million, two hundred seventy-four thousand, eight hundred ninety-one".