1202142303 has 10 divisors (see below), whose sum is σ = 1795792944. Its totient is φ = 801428148.

The previous prime is 1202142223. The next prime is 1202142317. The reversal of 1202142303 is 3032412021.

It is not a de Polignac number, because 1202142303 - 2²⁰ = 1201093727 is a prime.

It is a super-2 number, since 2×1202142303² = 2890292233324287618, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1202142323) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 7420551 + ... + 7420712.

Almost surely, 2^1202142303 is an apocalyptic number.

1202142303 is a deficient number, since it is larger than the sum of its proper divisors (593650641).

1202142303 is an equidigital number, since it uses as much as digits as its factorization.

1202142303 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14841275 (or 14841266 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

The square root of 1202142303 is about 34671.9238433635. The cubic root of 1202142303 is about 1063.2905645304.

Adding to 1202142303 its reverse (3032412021), we get a palindrome (4234554324).

The spelling of 1202142303 in words is "one billion, two hundred two million, one hundred forty-two thousand, three hundred three".