1274491 has 8 divisors (see below), whose sum is σ = 1315440. Its totient is φ = 1234272.

The previous prime is 1274461. The next prime is 1274509. The reversal of 1274491 is 1944721.

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 1274491 - 2⁷ = 1274363 is a prime.

It is an Ulam number.

It is a Duffinian number.

1274491 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (1274401) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7281 + ... + 7453.

It is an arithmetic number, because the mean of its divisors is an integer number (164430).

2^1274491 is an apocalyptic number.

1274491 is a deficient number, since it is larger than the sum of its proper divisors (40949).

1274491 is a wasteful number, since it uses less digits than its factorization.

1274491 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 365.

The product of its digits is 2016, while the sum is 28.

The square root of 1274491 is about 1128.9335675761. The cubic root of 1274491 is about 108.4207126717.

The spelling of 1274491 in words is "one million, two hundred seventy-four thousand, four hundred ninety-one".