1012320426 has 16 divisors (see below), whose sum is σ = 2180382624. Its totient is φ = 311483184.

The previous prime is 1012320349. The next prime is 1012320431. The reversal of 1012320426 is 6240232101.

1012320426 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6489156 + ... + 6489311.

It is an arithmetic number, because the mean of its divisors is an integer number (136273914).

Almost surely, 2^1012320426 is an apocalyptic number.

1012320426 is an abundant number, since it is smaller than the sum of its proper divisors (1168062198).

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

1012320426 is a wasteful number, since it uses less digits than its factorization.

1012320426 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12978485.

The product of its (nonzero) digits is 576, while the sum is 21.

The square root of 1012320426 is about 31816.9832950894. The cubic root of 1012320426 is about 1004.0900572911.

Adding to 1012320426 its reverse (6240232101), we get a palindrome (7252552527).

The spelling of 1012320426 in words is "one billion, twelve million, three hundred twenty thousand, four hundred twenty-six".