1104288761 has 4 divisors (see below), whose sum is σ = 1125124452. Its totient is φ = 1083453072.

The previous prime is 1104288671. The next prime is 1104288763. The reversal of 1104288761 is 1678824011.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1678824011 = 509 ⋅3298279.

It can be written as a sum of positive squares in 2 ways, for example, as 976937536 + 127351225 = 31256^2 + 11285^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1104288761 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1104288763) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10417766 + ... + 10417871.

It is an arithmetic number, because the mean of its divisors is an integer number (281281113).

Almost surely, 2^1104288761 is an apocalyptic number.

It is an amenable number.

1104288761 is a deficient number, since it is larger than the sum of its proper divisors (20835691).

1104288761 is an equidigital number, since it uses as much as digits as its factorization.

1104288761 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20835690.

The product of its (nonzero) digits is 21504, while the sum is 38.

The square root of 1104288761 is about 33230.8405099841. The cubic root of 1104288761 is about 1033.6199522532.

The spelling of 1104288761 in words is "one billion, one hundred four million, two hundred eighty-eight thousand, seven hundred sixty-one".