1012305400 has 24 divisors (see below), whose sum is σ = 2353610520. Its totient is φ = 404922080.

The previous prime is 1012305397. The next prime is 1012305401. The reversal of 1012305400 is 45032101.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1012305401) 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, 2530564 + ... + 2530963.

It is an arithmetic number, because the mean of its divisors is an integer number (98067105).

Almost surely, 2^1012305400 is an apocalyptic number.

1012305400 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1012305400 is an abundant number, since it is smaller than the sum of its proper divisors (1341305120).

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

1012305400 is a wasteful number, since it uses less digits than its factorization.

1012305400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5061543 (or 5061534 counting only the distinct ones).

The product of its (nonzero) digits is 120, while the sum is 16.

The square root of 1012305400 is about 31816.7471624615. The cubic root of 1012305400 is about 1004.0850893213.

Adding to 1012305400 its reverse (45032101), we get a palindrome (1057337501).

The spelling of 1012305400 in words is "one billion, twelve million, three hundred five thousand, four hundred".