1042873403 has 8 divisors (see below), whose sum is σ = 1225194096. Its totient is φ = 875138400.

The previous prime is 1042873399. The next prime is 1042873423. The reversal of 1042873403 is 3043782401.

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 1042873403 - 2² = 1042873399 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1042873403.

It is not an unprimeable number, because it can be changed into a prime (1042873423) 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, 3646268 + ... + 3646553.

It is an arithmetic number, because the mean of its divisors is an integer number (153149262).

Almost surely, 2^1042873403 is an apocalyptic number.

1042873403 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

1042873403 is a deficient number, since it is larger than the sum of its proper divisors (182320693).

1042873403 is a wasteful number, since it uses less digits than its factorization.

1042873403 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7292845.

The product of its (nonzero) digits is 16128, while the sum is 32.

The square root of 1042873403 is about 32293.5504861265. The cubic root of 1042873403 is about 1014.0916276209.

The spelling of 1042873403 in words is "one billion, forty-two million, eight hundred seventy-three thousand, four hundred three".