1012426521 has 8 divisors (see below), whose sum is σ = 1353909024. Its totient is φ = 672947520.

The previous prime is 1012426507. The next prime is 1012426543. The reversal of 1012426521 is 1256242101.

1012426521 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a de Polignac number, because none of the positive numbers 2^k-1012426521 is a prime.

It is a Smith number, since the sum of its digits (24) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a junction number, because it is equal to n+sod(n) for n = 1012426491 and 1012426500.

It is not an unprimeable number, because it can be changed into a prime (1012426501) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 499695 + ... + 501716.

It is an arithmetic number, because the mean of its divisors is an integer number (169238628).

Almost surely, 2^1012426521 is an apocalyptic number.

It is an amenable number.

1012426521 is a deficient number, since it is larger than the sum of its proper divisors (341482503).

1012426521 is a wasteful number, since it uses less digits than its factorization.

1012426521 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1001751.

The product of its (nonzero) digits is 960, while the sum is 24.

The square root of 1012426521 is about 31818.6505213530. The cubic root of 1012426521 is about 1004.1251335412.

Adding to 1012426521 its reverse (1256242101), we get a palindrome (2268668622).

The spelling of 1012426521 in words is "one billion, twelve million, four hundred twenty-six thousand, five hundred twenty-one".