1242034234 has 16 divisors (see below), whose sum is σ = 2130438528. Its totient is φ = 531991152.

The previous prime is 1242034207. The next prime is 1242034273. The reversal of 1242034234 is 4324302421.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 1242034199 and 1242034208.

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, 84 + ... + 49840.

It is an arithmetic number, because the mean of its divisors is an integer number (133152408).

Almost surely, 2^1242034234 is an apocalyptic number.

1242034234 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

1242034234 is a deficient number, since it is larger than the sum of its proper divisors (888404294).

1242034234 is a wasteful number, since it uses less digits than its factorization.

1242034234 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51549.

The product of its (nonzero) digits is 4608, while the sum is 25.

The square root of 1242034234 is about 35242.5060686666. The cubic root of 1242034234 is about 1074.9242373864.

Adding to 1242034234 its reverse (4324302421), we get a palindrome (5566336655).

The spelling of 1242034234 in words is "one billion, two hundred forty-two million, thirty-four thousand, two hundred thirty-four".