1230402242 has 8 divisors (see below), whose sum is σ = 1845947136. Its totient is φ = 615086532.

The previous prime is 1230402241. The next prime is 1230402253. The reversal of 1230402242 is 2422040321.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (1230402241) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 43178 + ... + 65765.

It is an arithmetic number, because the mean of its divisors is an integer number (230743392).

Almost surely, 2^1230402242 is an apocalyptic number.

1230402242 is a deficient number, since it is larger than the sum of its proper divisors (615544894).

1230402242 is a wasteful number, since it uses less digits than its factorization.

1230402242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 114592.

The product of its (nonzero) digits is 768, while the sum is 20.

The square root of 1230402242 is about 35077.0899876258. The cubic root of 1230402242 is about 1071.5580533513.

Adding to 1230402242 its reverse (2422040321), we get a palindrome (3652442563).

The spelling of 1230402242 in words is "one billion, two hundred thirty million, four hundred two thousand, two hundred forty-two".