1026013281 has 16 divisors (see below), whose sum is σ = 1440902400. Its totient is φ = 647610768.

The previous prime is 1026013267. The next prime is 1026013297. The reversal of 1026013281 is 1823106201.

It is not a de Polignac number, because 1026013281 - 2⁶ = 1026013217 is a prime.

It is a super-2 number, since 2×1026013281² = 2105406505576769922, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1026013081) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 108730 + ... + 117788.

It is an arithmetic number, because the mean of its divisors is an integer number (90056400).

Almost surely, 2^1026013281 is an apocalyptic number.

It is an amenable number.

1026013281 is a deficient number, since it is larger than the sum of its proper divisors (414889119).

1026013281 is a wasteful number, since it uses less digits than its factorization.

1026013281 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11068.

The product of its (nonzero) digits is 576, while the sum is 24.

The square root of 1026013281 is about 32031.4420686924. The cubic root of 1026013281 is about 1008.5969739113.

Adding to 1026013281 its reverse (1823106201), we get a palindrome (2849119482).

The spelling of 1026013281 in words is "one billion, twenty-six million, thirteen thousand, two hundred eighty-one".