1274545 has 8 divisors (see below), whose sum is σ = 1596096. Its totient is φ = 975216.

The previous prime is 1274509. The next prime is 1274549. The reversal of 1274545 is 5454721.

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 1274545 - 2¹⁷ = 1143473 is a prime.

It is an alternating number because its digits alternate between odd and even.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1274549) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5427 + ... + 5656.

It is an arithmetic number, because the mean of its divisors is an integer number (199512).

2^1274545 is an apocalyptic number.

It is an amenable number.

1274545 is a deficient number, since it is larger than the sum of its proper divisors (321551).

1274545 is a wasteful number, since it uses less digits than its factorization.

1274545 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11111.

The product of its digits is 5600, while the sum is 28.

The square root of 1274545 is about 1128.9574836990. The cubic root of 1274545 is about 108.4222439068.

The spelling of 1274545 in words is "one million, two hundred seventy-four thousand, five hundred forty-five".