1026421126 has 8 divisors (see below), whose sum is σ = 1541495880. Its totient is φ = 512589168.

The previous prime is 1026421103. The next prime is 1026421139. The reversal of 1026421126 is 6211246201.

It is a happy number.

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

It is a self number, because there is not a number n which added to its sum of digits gives 1026421126.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 308631 + ... + 311938.

It is an arithmetic number, because the mean of its divisors is an integer number (192686985).

Almost surely, 2^1026421126 is an apocalyptic number.

1026421126 is a deficient number, since it is larger than the sum of its proper divisors (515074754).

1026421126 is an equidigital number, since it uses as much as digits as its factorization.

1026421126 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 621398.

The product of its (nonzero) digits is 1152, while the sum is 25.

The square root of 1026421126 is about 32037.8077589588. The cubic root of 1026421126 is about 1008.7305968536.

Adding to 1026421126 its reverse (6211246201), we get a palindrome (7237667327).

The spelling of 1026421126 in words is "one billion, twenty-six million, four hundred twenty-one thousand, one hundred twenty-six".