1204291 has 4 divisors (see below), whose sum is σ = 1313784. Its totient is φ = 1094800.

The previous prime is 1204289. The next prime is 1204309. The reversal of 1204291 is 1924021.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1204291 - 2¹ = 1204289 is a prime.

It is an Ulam number.

It is a Duffinian number.

1204291 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (1204271) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 54730 + ... + 54751.

It is an arithmetic number, because the mean of its divisors is an integer number (328446).

2^1204291 is an apocalyptic number.

1204291 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

1204291 is a deficient number, since it is larger than the sum of its proper divisors (109493).

1204291 is a wasteful number, since it uses less digits than its factorization.

1204291 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 109492.

The product of its (nonzero) digits is 144, while the sum is 19.

The square root of 1204291 is about 1097.4019318372. The cubic root of 1204291 is about 106.3923692400.

The spelling of 1204291 in words is "one million, two hundred four thousand, two hundred ninety-one".