1042021203 has 8 divisors (see below), whose sum is σ = 1390001088. Its totient is φ = 694361064.

The previous prime is 1042021153. The next prime is 1042021213. The reversal of 1042021203 is 3021202401.

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

It is not a de Polignac number, because 1042021203 - 2¹⁴ = 1042004819 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1042021213) 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, 72225 + ... + 85442.

It is an arithmetic number, because the mean of its divisors is an integer number (173750136).

Almost surely, 2^1042021203 is an apocalyptic number.

1042021203 is a deficient number, since it is larger than the sum of its proper divisors (347979885).

1042021203 is a wasteful number, since it uses less digits than its factorization.

1042021203 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 159873.

The product of its (nonzero) digits is 96, while the sum is 15.

The square root of 1042021203 is about 32280.3532043873. The cubic root of 1042021203 is about 1013.8153255021.

Adding to 1042021203 its reverse (3021202401), we get a palindrome (4063223604).

The spelling of 1042021203 in words is "one billion, forty-two million, twenty-one thousand, two hundred three".