1113261403 has 2 divisors, whose sum is σ = 1113261404. Its totient is φ = 1113261402.

The previous prime is 1113261329. The next prime is 1113261421. The reversal of 1113261403 is 3041623111.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1113261403 is a prime.

It is not a weakly prime, because it can be changed into another prime (1113261803) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 556630701 + 556630702.

It is an arithmetic number, because the mean of its divisors is an integer number (556630702).

Almost surely, 2^1113261403 is an apocalyptic number.

1113261403 is a deficient number, since it is larger than the sum of its proper divisors (1).

1113261403 is an equidigital number, since it uses as much as digits as its factorization.

1113261403 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 432, while the sum is 22.

The square root of 1113261403 is about 33365.5721215747. The cubic root of 1113261403 is about 1036.4118837871.

Adding to 1113261403 its reverse (3041623111), we get a palindrome (4154884514).

The spelling of 1113261403 in words is "one billion, one hundred thirteen million, two hundred sixty-one thousand, four hundred three".