1230002142 has 32 divisors (see below), whose sum is σ = 2568948480. Its totient is φ = 391871040.

The previous prime is 1230002141. The next prime is 1230002167. The reversal of 1230002142 is 2412000321.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1230002141) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 234909 + ... + 240087.

It is an arithmetic number, because the mean of its divisors is an integer number (80279640).

Almost surely, 2^1230002142 is an apocalyptic number.

1230002142 is an abundant number, since it is smaller than the sum of its proper divisors (1338946338).

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

1230002142 is a wasteful number, since it uses less digits than its factorization.

1230002142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6928.

The product of its (nonzero) digits is 96, while the sum is 15.

The square root of 1230002142 is about 35071.3863712286. The cubic root of 1230002142 is about 1071.4418916490.

Adding to 1230002142 its reverse (2412000321), we get a palindrome (3642002463).

The spelling of 1230002142 in words is "one billion, two hundred thirty million, two thousand, one hundred forty-two".