1104262991 has 4 divisors (see below), whose sum is σ = 1189206312. Its totient is φ = 1019319672.

The previous prime is 1104262981. The next prime is 1104263009. The reversal of 1104262991 is 1992624011.

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 1104262991 - 2⁶ = 1104262927 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1104262981) 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, 42471641 + ... + 42471666.

It is an arithmetic number, because the mean of its divisors is an integer number (297301578).

Almost surely, 2^1104262991 is an apocalyptic number.

1104262991 is a deficient number, since it is larger than the sum of its proper divisors (84943321).

1104262991 is an equidigital number, since it uses as much as digits as its factorization.

1104262991 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 84943320.

The product of its (nonzero) digits is 7776, while the sum is 35.

The square root of 1104262991 is about 33230.4527654981. The cubic root of 1104262991 is about 1033.6119119065.

The spelling of 1104262991 in words is "one billion, one hundred four million, two hundred sixty-two thousand, nine hundred ninety-one".