1104031121 has 2 divisors, whose sum is σ = 1104031122. Its totient is φ = 1104031120.

The previous prime is 1104031109. The next prime is 1104031127. The reversal of 1104031121 is 1211304011.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 737882896 + 366148225 = 27164^2 + 19135^2 .

It is an emirp because it is prime and its reverse (1211304011) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1104031121 - 2³⁰ = 30289297 is a prime.

It is a super-2 number, since 2×1104031121² = 2437769432273033282, which contains 22 as substring.

It is a Sophie Germain prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 1104031096 and 1104031105.

It is not a weakly prime, because it can be changed into another prime (1104031127) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 552015560 + 552015561.

It is an arithmetic number, because the mean of its divisors is an integer number (552015561).

Almost surely, 2^1104031121 is an apocalyptic number.

It is an amenable number.

1104031121 is a deficient number, since it is larger than the sum of its proper divisors (1).

1104031121 is an equidigital number, since it uses as much as digits as its factorization.

1104031121 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 24, while the sum is 14.

The square root of 1104031121 is about 33226.9637643887. The cubic root of 1104031121 is about 1033.5395618798.

Adding to 1104031121 its reverse (1211304011), we get a palindrome (2315335132).

The spelling of 1104031121 in words is "one billion, one hundred four million, thirty-one thousand, one hundred twenty-one".