1022600605261 has 16 divisors (see below), whose sum is σ = 1045377273600. Its totient is φ = 1000075647168.

The previous prime is 1022600605259. The next prime is 1022600605283. The reversal of 1022600605261 is 1625060062201.

It is a cyclic number.

It is not a de Polignac number, because 1022600605261 - 2¹ = 1022600605259 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1022600605211) 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, 29837211 + ... + 29871463.

It is an arithmetic number, because the mean of its divisors is an integer number (65336079600).

Almost surely, 2^{1022600605261} is an apocalyptic number.

It is an amenable number.

1022600605261 is a deficient number, since it is larger than the sum of its proper divisors (22776668339).

1022600605261 is a wasteful number, since it uses less digits than its factorization.

1022600605261 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37908.

The product of its (nonzero) digits is 8640, while the sum is 31.

Adding to 1022600605261 its reverse (1625060062201), we get a palindrome (2647660667462).

The spelling of 1022600605261 in words is "one trillion, twenty-two billion, six hundred million, six hundred five thousand, two hundred sixty-one".