1230321442 has 16 divisors (see below), whose sum is σ = 2112017472. Its totient is φ = 526556880.

The previous prime is 1230321439. The next prime is 1230321457. The reversal of 1230321442 is 2441230321.

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, 49684 + ... + 70207.

It is an arithmetic number, because the mean of its divisors is an integer number (132001092).

Almost surely, 2^1230321442 is an apocalyptic number.

1230321442 is a deficient number, since it is larger than the sum of its proper divisors (881696030).

1230321442 is a wasteful number, since it uses less digits than its factorization.

1230321442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 120633.

The product of its (nonzero) digits is 1152, while the sum is 22.

The square root of 1230321442 is about 35075.9382198110. The cubic root of 1230321442 is about 1071.5345965816.

Adding to 1230321442 its reverse (2441230321), we get a palindrome (3671551763).

The spelling of 1230321442 in words is "one billion, two hundred thirty million, three hundred twenty-one thousand, four hundred forty-two".