1042230100 has 18 divisors (see below), whose sum is σ = 2261639534. Its totient is φ = 416892000.

The previous prime is 1042230089. The next prime is 1042230109. The reversal of 1042230100 is 10322401.

It can be written as a sum of positive squares in 3 ways, for example, as 83832336 + 958397764 = 9156^2 + 30958^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1042230109) 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, 5211051 + ... + 5211250.

Almost surely, 2^1042230100 is an apocalyptic number.

1042230100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1042230100 is an abundant number, since it is smaller than the sum of its proper divisors (1219409434).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1042230100 is a wasteful number, since it uses less digits than its factorization.

1042230100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10422315 (or 10422308 counting only the distinct ones).

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

The square root of 1042230100 is about 32283.5887100551. The cubic root of 1042230100 is about 1013.8830684709.

Adding to 1042230100 its reverse (10322401), we get a palindrome (1052552501).

The spelling of 1042230100 in words is "one billion, forty-two million, two hundred thirty thousand, one hundred".