1230442532 has 24 divisors (see below), whose sum is σ = 2371841472. Its totient is φ = 553860000.

The previous prime is 1230442531. The next prime is 1230442561. The reversal of 1230442532 is 2352440321.

It is a Smith number, since the sum of its digits (26) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (1230442531) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 131219 + ... + 140282.

It is an arithmetic number, because the mean of its divisors is an integer number (98826728).

Almost surely, 2^1230442532 is an apocalyptic number.

It is an amenable number.

1230442532 is a deficient number, since it is larger than the sum of its proper divisors (1141398940).

1230442532 is a wasteful number, since it uses less digits than its factorization.

1230442532 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 271619 (or 271617 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 26.

The square root of 1230442532 is about 35077.6642894022. The cubic root of 1230442532 is about 1071.5697494187.

Adding to 1230442532 its reverse (2352440321), we get a palindrome (3582882853).

The spelling of 1230442532 in words is "one billion, two hundred thirty million, four hundred forty-two thousand, five hundred thirty-two".