1012143403 has 2 divisors, whose sum is σ = 1012143404. Its totient is φ = 1012143402.

The previous prime is 1012143401. The next prime is 1012143427. The reversal of 1012143403 is 3043412101.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1012143403 - 2¹ = 1012143401 is a prime.

Together with 1012143401, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (1012143401) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 506071701 + 506071702.

It is an arithmetic number, because the mean of its divisors is an integer number (506071702).

Almost surely, 2^1012143403 is an apocalyptic number.

1012143403 is a deficient number, since it is larger than the sum of its proper divisors (1).

1012143403 is an equidigital number, since it uses as much as digits as its factorization.

1012143403 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 288, while the sum is 19.

The square root of 1012143403 is about 31814.2012786743. The cubic root of 1012143403 is about 1004.0315259567.

Adding to 1012143403 its reverse (3043412101), we get a palindrome (4055555504).

The spelling of 1012143403 in words is "one billion, twelve million, one hundred forty-three thousand, four hundred three".