1104156641 has 12 divisors (see below), whose sum is σ = 1288548612. Its totient is φ = 943383168.

The previous prime is 1104156619. The next prime is 1104156659. The reversal of 1104156641 is 1466514011.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 542703616 + 561453025 = 23296^2 + 23695^2 .

It is not a de Polignac number, because 1104156641 - 2⁶ = 1104156577 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1104156611) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 20660 + ... + 51333.

It is an arithmetic number, because the mean of its divisors is an integer number (107379051).

Almost surely, 2^1104156641 is an apocalyptic number.

It is an amenable number.

1104156641 is a deficient number, since it is larger than the sum of its proper divisors (184391971).

1104156641 is an equidigital number, since it uses as much as digits as its factorization.

1104156641 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 72320 (or 72313 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 29.

The square root of 1104156641 is about 33228.8525381181. The cubic root of 1104156641 is about 1033.5787289429.

The spelling of 1104156641 in words is "one billion, one hundred four million, one hundred fifty-six thousand, six hundred forty-one".