1142020003 has 2 divisors, whose sum is σ = 1142020004. Its totient is φ = 1142020002.

The previous prime is 1142020001. The next prime is 1142020051. The reversal of 1142020003 is 3000202411.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1142020003 - 2¹ = 1142020001 is a prime.

Together with 1142020001, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (1142020001) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 571010001 + 571010002.

It is an arithmetic number, because the mean of its divisors is an integer number (571010002).

Almost surely, 2^1142020003 is an apocalyptic number.

1142020003 is a deficient number, since it is larger than the sum of its proper divisors (1).

1142020003 is an equidigital number, since it uses as much as digits as its factorization.

1142020003 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 48, while the sum is 13.

The square root of 1142020003 is about 33793.7864555010. The cubic root of 1142020003 is about 1045.2605755720.

Adding to 1142020003 its reverse (3000202411), we get a palindrome (4142222414).

The spelling of 1142020003 in words is "one billion, one hundred forty-two million, twenty thousand, three".