1042203144 has 16 divisors (see below), whose sum is σ = 2605507920. Its totient is φ = 347401040.

The previous prime is 1042203137. The next prime is 1042203191. The reversal of 1042203144 is 4413022401.

It is a self number, because there is not a number n which added to its sum of digits gives 1042203144.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 21712542 + ... + 21712589.

It is an arithmetic number, because the mean of its divisors is an integer number (162844245).

Almost surely, 2^1042203144 is an apocalyptic number.

It is an amenable number.

1042203144 is an abundant number, since it is smaller than the sum of its proper divisors (1563304776).

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

1042203144 is a wasteful number, since it uses less digits than its factorization.

1042203144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43425140 (or 43425136 counting only the distinct ones).

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

The square root of 1042203144 is about 32283.1712196928. The cubic root of 1042203144 is about 1013.8743274492.

Adding to 1042203144 its reverse (4413022401), we get a palindrome (5455225545).

The spelling of 1042203144 in words is "one billion, forty-two million, two hundred three thousand, one hundred forty-four".