1242453234 has 16 divisors (see below), whose sum is σ = 2710807200. Its totient is φ = 376500960.

The previous prime is 1242453227. The next prime is 1242453257. The reversal of 1242453234 is 4323542421.

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, 9412459 + ... + 9412590.

It is an arithmetic number, because the mean of its divisors is an integer number (169425450).

Almost surely, 2^1242453234 is an apocalyptic number.

1242453234 is an abundant number, since it is smaller than the sum of its proper divisors (1468353966).

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

1242453234 is a wasteful number, since it uses less digits than its factorization.

1242453234 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18825065.

The product of its digits is 23040, while the sum is 30.

The square root of 1242453234 is about 35248.4500935857. The cubic root of 1242453234 is about 1075.0450989553.

Adding to 1242453234 its reverse (4323542421), we get a palindrome (5565995655).

The spelling of 1242453234 in words is "one billion, two hundred forty-two million, four hundred fifty-three thousand, two hundred thirty-four".