1042321203 has 40 divisors (see below), whose sum is σ = 1941265920. Its totient is φ = 541462320.

The previous prime is 1042321193. The next prime is 1042321207. The reversal of 1042321203 is 3021232401.

1042321203 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 1042321203 - 2¹⁰ = 1042320179 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1042321207) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 77323 + ... + 89796.

It is an arithmetic number, because the mean of its divisors is an integer number (48531648).

Almost surely, 2^1042321203 is an apocalyptic number.

1042321203 is a deficient number, since it is larger than the sum of its proper divisors (898944717).

1042321203 is a wasteful number, since it uses less digits than its factorization.

1042321203 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 167149 (or 167140 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

The square root of 1042321203 is about 32284.9996592845. Note that the first 3 decimals coincide. The cubic root of 1042321203 is about 1013.9126093237.

Adding to 1042321203 its reverse (3021232401), we get a palindrome (4063553604).

It can be divided in two parts, 10423 and 21203, that added together give a triangular number (31626 = T₂₅₁).

The spelling of 1042321203 in words is "one billion, forty-two million, three hundred twenty-one thousand, two hundred three".