1042200306 has 36 divisors (see below), whose sum is σ = 2626772382. Its totient is φ = 297771264.

The previous prime is 1042200287. The next prime is 1042200307. The reversal of 1042200306 is 6030022401.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 528770025 + 513430281 = 22995^2 + 22659^2 .

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1042200307) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 589935 + ... + 591698.

Almost surely, 2^1042200306 is an apocalyptic number.

1042200306 is an abundant number, since it is smaller than the sum of its proper divisors (1584572076).

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

1042200306 is a wasteful number, since it uses less digits than its factorization.

1042200306 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1181655 (or 1181645 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

The square root of 1042200306 is about 32283.1272648732. The cubic root of 1042200306 is about 1013.8734071622.

Adding to 1042200306 its reverse (6030022401), we get a palindrome (7072222707).

The spelling of 1042200306 in words is "one billion, forty-two million, two hundred thousand, three hundred six".