1230340242 has 32 divisors (see below), whose sum is σ = 2573079552. Its totient is φ = 391455504.

The previous prime is 1230340217. The next prime is 1230340277. The reversal of 1230340242 is 2420430321.

It is a super-2 number, since 2×1230340242² = 3027474222169237128, which contains 22 as substring.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 58053 + ... + 76359.

It is an arithmetic number, because the mean of its divisors is an integer number (80408736).

Almost surely, 2^1230340242 is an apocalyptic number.

1230340242 is an abundant number, since it is smaller than the sum of its proper divisors (1342739310).

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

1230340242 is a wasteful number, since it uses less digits than its factorization.

1230340242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18822.

The product of its (nonzero) digits is 1152, while the sum is 21.

The square root of 1230340242 is about 35076.2062087678. The cubic root of 1230340242 is about 1071.5400544365.

Adding to 1230340242 its reverse (2420430321), we get a palindrome (3650770563).

The spelling of 1230340242 in words is "one billion, two hundred thirty million, three hundred forty thousand, two hundred forty-two".