1234420342 has 16 divisors (see below), whose sum is σ = 1880540064. Its totient is φ = 607600000.

The previous prime is 1234420331. The next prime is 1234420379. The reversal of 1234420342 is 2430244321.

It is a happy number.

It is a congruent number.

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, 93342 + ... + 105742.

It is an arithmetic number, because the mean of its divisors is an integer number (117533754).

Almost surely, 2^1234420342 is an apocalyptic number.

1234420342 is a deficient number, since it is larger than the sum of its proper divisors (646119722).

1234420342 is a wasteful number, since it uses less digits than its factorization.

1234420342 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13175.

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

The square root of 1234420342 is about 35134.3185788482. The cubic root of 1234420342 is about 1072.7232411299.

Adding to 1234420342 its reverse (2430244321), we get a palindrome (3664664663).

The spelling of 1234420342 in words is "one billion, two hundred thirty-four million, four hundred twenty thousand, three hundred forty-two".