1153103447 has 2 divisors, whose sum is σ = 1153103448. Its totient is φ = 1153103446.

The previous prime is 1153103443. The next prime is 1153103461. The reversal of 1153103447 is 7443013511.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1153103447 - 2² = 1153103443 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1153103443) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 576551723 + 576551724.

It is an arithmetic number, because the mean of its divisors is an integer number (576551724).

Almost surely, 2^1153103447 is an apocalyptic number.

1153103447 is a deficient number, since it is larger than the sum of its proper divisors (1).

1153103447 is an equidigital number, since it uses as much as digits as its factorization.

1153103447 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5040, while the sum is 29.

The square root of 1153103447 is about 33957.3769157749. The cubic root of 1153103447 is about 1048.6311556463.

Adding to 1153103447 its reverse (7443013511), we get a palindrome (8596116958).

The spelling of 1153103447 in words is "one billion, one hundred fifty-three million, one hundred three thousand, four hundred forty-seven".