1303022142 has 24 divisors (see below), whose sum is σ = 2920568040. Its totient is φ = 419363280.

The previous prime is 1303022141. The next prime is 1303022143. The reversal of 1303022142 is 2412203031.

It is an interprime number because it is at equal distance from previous prime (1303022141) and next prime (1303022143).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1303022141) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1247584 + ... + 1248627.

It is an arithmetic number, because the mean of its divisors is an integer number (121690335).

Almost surely, 2^1303022142 is an apocalyptic number.

1303022142 is an abundant number, since it is smaller than the sum of its proper divisors (1617545898).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1303022142 is a wasteful number, since it uses less digits than its factorization.

1303022142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2496248 (or 2496245 counting only the distinct ones).

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

The square root of 1303022142 is about 36097.3979948694. The cubic root of 1303022142 is about 1092.2379578437.

Adding to 1303022142 its reverse (2412203031), we get a palindrome (3715225173).

The spelling of 1303022142 in words is "one billion, three hundred three million, twenty-two thousand, one hundred forty-two".