1042203001 has 6 divisors (see below), whose sum is σ = 1212358650. Its totient is φ = 893316816.

The previous prime is 1042202989. The next prime is 1042203011. The reversal of 1042203001 is 1003022401.

It can be written as a sum of positive squares in only one way, i.e., 737665600 + 304537401 = 27160^2 + 17451^2 .

It is not a de Polignac number, because 1042203001 - 2¹⁹ = 1041678713 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1042203011) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 10634676 + ... + 10634773.

It is an arithmetic number, because the mean of its divisors is an integer number (202059775).

Almost surely, 2^1042203001 is an apocalyptic number.

It is an amenable number.

1042203001 is a deficient number, since it is larger than the sum of its proper divisors (170155649).

1042203001 is an equidigital number, since it uses as much as digits as its factorization.

1042203001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21269463 (or 21269456 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 13.

The square root of 1042203001 is about 32283.1690049165. The cubic root of 1042203001 is about 1013.8742810782.

Adding to 1042203001 its reverse (1003022401), we get a palindrome (2045225402).

The spelling of 1042203001 in words is "one billion, forty-two million, two hundred three thousand, one".