1042513203 has 8 divisors (see below), whose sum is σ = 1450453248. Its totient is φ = 664790984.

The previous prime is 1042513201. The next prime is 1042513243. The reversal of 1042513203 is 3023152401.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1042513203 - 2¹ = 1042513201 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1042513203.

It is not an unprimeable number, because it can be changed into a prime (1042513201) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7554375 + ... + 7554512.

It is an arithmetic number, because the mean of its divisors is an integer number (181306656).

Almost surely, 2^1042513203 is an apocalyptic number.

1042513203 is a deficient number, since it is larger than the sum of its proper divisors (407940045).

1042513203 is a wasteful number, since it uses less digits than its factorization.

1042513203 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15108913.

The product of its (nonzero) digits is 720, while the sum is 21.

The square root of 1042513203 is about 32287.9730395081. The cubic root of 1042513203 is about 1013.9748611735.

Adding to 1042513203 its reverse (3023152401), we get a palindrome (4065665604).

The spelling of 1042513203 in words is "one billion, forty-two million, five hundred thirteen thousand, two hundred three".