1103949841 has 2 divisors, whose sum is σ = 1103949842. Its totient is φ = 1103949840.

The previous prime is 1103949829. The next prime is 1103949851. The reversal of 1103949841 is 1489493011.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1069551616 + 34398225 = 32704^2 + 5865^2 .

It is a cyclic number.

It is not a de Polignac number, because 1103949841 - 2⁵ = 1103949809 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1103949794 and 1103949803.

It is not a weakly prime, because it can be changed into another prime (1103949851) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 551974920 + 551974921.

It is an arithmetic number, because the mean of its divisors is an integer number (551974921).

Almost surely, 2^1103949841 is an apocalyptic number.

It is an amenable number.

1103949841 is a deficient number, since it is larger than the sum of its proper divisors (1).

1103949841 is an equidigital number, since it uses as much as digits as its factorization.

1103949841 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 31104, while the sum is 40.

The square root of 1103949841 is about 33225.7406388481. The cubic root of 1103949841 is about 1033.5141978130.

The spelling of 1103949841 in words is "one billion, one hundred three million, nine hundred forty-nine thousand, eight hundred forty-one".