1234201142 has 32 divisors (see below), whose sum is σ = 1917421632. Its totient is φ = 595538944.

The previous prime is 1234201141. The next prime is 1234201201. The reversal of 1234201142 is 2411024321.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1234201141) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2000018 + ... + 2000634.

It is an arithmetic number, because the mean of its divisors is an integer number (59919426).

Almost surely, 2^1234201142 is an apocalyptic number.

1234201142 is a deficient number, since it is larger than the sum of its proper divisors (683220490).

1234201142 is a wasteful number, since it uses less digits than its factorization.

1234201142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 952.

The product of its (nonzero) digits is 384, while the sum is 20.

The square root of 1234201142 is about 35131.1989832400. The cubic root of 1234201142 is about 1072.6597417296.

Adding to 1234201142 its reverse (2411024321), we get a palindrome (3645225463).

The spelling of 1234201142 in words is "one billion, two hundred thirty-four million, two hundred one thousand, one hundred forty-two".