1230442402 has 16 divisors (see below), whose sum is σ = 2110605120. Its totient is φ = 527013648.

The previous prime is 1230442397. The next prime is 1230442457. The reversal of 1230442402 is 2042440321.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1788 + ... + 49639.

It is an arithmetic number, because the mean of its divisors is an integer number (131912820).

Almost surely, 2^1230442402 is an apocalyptic number.

1230442402 is a deficient number, since it is larger than the sum of its proper divisors (880162718).

1230442402 is a wasteful number, since it uses less digits than its factorization.

1230442402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53145.

The product of its (nonzero) digits is 1536, while the sum is 22.

The square root of 1230442402 is about 35077.6624363711. The cubic root of 1230442402 is about 1071.5697116805.

Adding to 1230442402 its reverse (2042440321), we get a palindrome (3272882723).

The spelling of 1230442402 in words is "one billion, two hundred thirty million, four hundred forty-two thousand, four hundred two".