1042123300 has 18 divisors (see below), whose sum is σ = 2261407778. Its totient is φ = 416849280.

The previous prime is 1042123297. The next prime is 1042123301. The reversal of 1042123300 is 33212401.

It is a happy number.

It can be written as a sum of positive squares in 3 ways, for example, as 254016 + 1041869284 = 504^2 + 32278^2 .

It is not an unprimeable number, because it can be changed into a prime (1042123301) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 5210517 + ... + 5210716.

Almost surely, 2^1042123300 is an apocalyptic number.

1042123300 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1042123300 is an abundant number, since it is smaller than the sum of its proper divisors (1219284478).

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

1042123300 is a wasteful number, since it uses less digits than its factorization.

1042123300 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10421247 (or 10421240 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 16.

The square root of 1042123300 is about 32281.9345764779. The cubic root of 1042123300 is about 1013.8484355523.

Adding to 1042123300 its reverse (33212401), we get a palindrome (1075335701).

The spelling of 1042123300 in words is "one billion, forty-two million, one hundred twenty-three thousand, three hundred".