1104381581 has 2 divisors, whose sum is σ = 1104381582. Its totient is φ = 1104381580.

The previous prime is 1104381497. The next prime is 1104381601. The reversal of 1104381581 is 1851834011.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1085109481 + 19272100 = 32941^2 + 4390^2 .

It is a cyclic number.

It is not a de Polignac number, because 1104381581 - 2¹⁸ = 1104119437 is a prime.

It is a super-2 number, since 2×1104381581² = 2439317352904119122, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1104384581) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 552190790 + 552190791.

It is an arithmetic number, because the mean of its divisors is an integer number (552190791).

Almost surely, 2^1104381581 is an apocalyptic number.

It is an amenable number.

1104381581 is a deficient number, since it is larger than the sum of its proper divisors (1).

1104381581 is an equidigital number, since it uses as much as digits as its factorization.

1104381581 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3840, while the sum is 32.

The square root of 1104381581 is about 33232.2370748645. The cubic root of 1104381581 is about 1033.6489114407.

The spelling of 1104381581 in words is "one billion, one hundred four million, three hundred eighty-one thousand, five hundred eighty-one".