1204034491 has 4 divisors (see below), whose sum is σ = 1313492184. Its totient is φ = 1094576800.

The previous prime is 1204034459. The next prime is 1204034527. The reversal of 1204034491 is 1944304021.

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 1204034491 - 2⁵ = 1204034459 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1204034411) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 54728830 + ... + 54728851.

It is an arithmetic number, because the mean of its divisors is an integer number (328373046).

Almost surely, 2^1204034491 is an apocalyptic number.

1204034491 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

1204034491 is a deficient number, since it is larger than the sum of its proper divisors (109457693).

1204034491 is a wasteful number, since it uses less digits than its factorization.

1204034491 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 109457692.

The product of its (nonzero) digits is 3456, while the sum is 28.

The square root of 1204034491 is about 34699.2001492830. The cubic root of 1204034491 is about 1063.8481499216.

The spelling of 1204034491 in words is "one billion, two hundred four million, thirty-four thousand, four hundred ninety-one".