1204491 has 8 divisors (see below), whose sum is σ = 1615680. Its totient is φ = 798152.

The previous prime is 1204477. The next prime is 1204493. The reversal of 1204491 is 1944021.

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 1204491 - 2⁷ = 1204363 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1204493) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 585 + ... + 1658.

It is an arithmetic number, because the mean of its divisors is an integer number (201960).

2^1204491 is an apocalyptic number.

1204491 is a deficient number, since it is larger than the sum of its proper divisors (411189).

1204491 is a wasteful number, since it uses less digits than its factorization.

1204491 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2425.

The product of its (nonzero) digits is 288, while the sum is 21.

The square root of 1204491 is about 1097.4930523698. The cubic root of 1204491 is about 106.3982585409.

The spelling of 1204491 in words is "one million, two hundred four thousand, four hundred ninety-one".