1103261249 has 2 divisors, whose sum is σ = 1103261250. Its totient is φ = 1103261248.

The previous prime is 1103261231. The next prime is 1103261281. The reversal of 1103261249 is 9421623011.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 724686400 + 378574849 = 26920^2 + 19457^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1103261249 is a prime.

It is a super-3 number, since 3×1103261249³ (a number of 28 digits) contains 333 as substring.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (1103261849) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 551630624 + 551630625.

It is an arithmetic number, because the mean of its divisors is an integer number (551630625).

Almost surely, 2^1103261249 is an apocalyptic number.

It is an amenable number.

1103261249 is a deficient number, since it is larger than the sum of its proper divisors (1).

1103261249 is an equidigital number, since it uses as much as digits as its factorization.

1103261249 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2592, while the sum is 29.

The square root of 1103261249 is about 33215.3766951393. The cubic root of 1103261249 is about 1033.2992672664.

The spelling of 1103261249 in words is "one billion, one hundred three million, two hundred sixty-one thousand, two hundred forty-nine".