1202044142 has 16 divisors (see below), whose sum is σ = 2008722240. Its totient is φ = 535658592.

The previous prime is 1202044141. The next prime is 1202044153. The reversal of 1202044142 is 2414402021.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1202044141) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 796358 + ... + 797865.

It is an arithmetic number, because the mean of its divisors is an integer number (125545140).

Almost surely, 2^1202044142 is an apocalyptic number.

1202044142 is a deficient number, since it is larger than the sum of its proper divisors (806678098).

1202044142 is a wasteful number, since it uses less digits than its factorization.

1202044142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1594267.

The product of its (nonzero) digits is 512, while the sum is 20.

The square root of 1202044142 is about 34670.5082454815. The cubic root of 1202044142 is about 1063.2616227249.

Adding to 1202044142 its reverse (2414402021), we get a palindrome (3616446163).

The spelling of 1202044142 in words is "one billion, two hundred two million, forty-four thousand, one hundred forty-two".