1026021122260 has 48 divisors (see below), whose sum is σ = 2159324543376. Its totient is φ = 409517960192.

The previous prime is 1026021122227. The next prime is 1026021122263. The reversal of 1026021122260 is 622211206201.

It can be written as a sum of positive squares in 8 ways, for example, as 12850036164 + 1013171086096 = 113358^2 + 1006564^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1026021122263) 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, 17333274 + ... + 17392366.

It is an arithmetic number, because the mean of its divisors is an integer number (44985927987).

Almost surely, 2^{1026021122260} is an apocalyptic number.

1026021122260 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1026021122260 is an abundant number, since it is smaller than the sum of its proper divisors (1133303421116).

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

1026021122260 is a wasteful number, since it uses less digits than its factorization.

1026021122260 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 60972 (or 60970 counting only the distinct ones).

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

Adding to 1026021122260 its reverse (622211206201), we get a palindrome (1648232328461).

The spelling of 1026021122260 in words is "one trillion, twenty-six billion, twenty-one million, one hundred twenty-two thousand, two hundred sixty".