1200434142 has 32 divisors (see below), whose sum is σ = 2545311744. Its totient is φ = 376768800.

The previous prime is 1200434129. The next prime is 1200434167. The reversal of 1200434142 is 2414340021.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 80334 + ... + 94097.

It is an arithmetic number, because the mean of its divisors is an integer number (79540992).

Almost surely, 2^1200434142 is an apocalyptic number.

1200434142 is an abundant number, since it is smaller than the sum of its proper divisors (1344877602).

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

1200434142 is a wasteful number, since it uses less digits than its factorization.

1200434142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 174504.

The product of its (nonzero) digits is 768, while the sum is 21.

The square root of 1200434142 is about 34647.2818847309. The cubic root of 1200434142 is about 1062.7867050415.

Adding to 1200434142 its reverse (2414340021), we get a palindrome (3614774163).

The spelling of 1200434142 in words is "one billion, two hundred million, four hundred thirty-four thousand, one hundred forty-two".