1103140453 has 2 divisors, whose sum is σ = 1103140454. Its totient is φ = 1103140452.

The previous prime is 1103140427. The next prime is 1103140469. The reversal of 1103140453 is 3540413011.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1100049889 + 3090564 = 33167^2 + 1758^2 .

It is an emirp because it is prime and its reverse (3540413011) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1103140453 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1103140253) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 551570226 + 551570227.

It is an arithmetic number, because the mean of its divisors is an integer number (551570227).

Almost surely, 2^1103140453 is an apocalyptic number.

It is an amenable number.

1103140453 is a deficient number, since it is larger than the sum of its proper divisors (1).

1103140453 is an equidigital number, since it uses as much as digits as its factorization.

1103140453 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 720, while the sum is 22.

The square root of 1103140453 is about 33213.5582706822. The cubic root of 1103140453 is about 1033.2615539341.

Adding to 1103140453 its reverse (3540413011), we get a palindrome (4643553464).

The spelling of 1103140453 in words is "one billion, one hundred three million, one hundred forty thousand, four hundred fifty-three".