1026302661 has 12 divisors (see below), whose sum is σ = 1483087788. Its totient is φ = 683901504.

The previous prime is 1026302623. The next prime is 1026302671. The reversal of 1026302661 is 1662036201.

1026302661 is a `hidden beast` number, since 1 + 0 + 2 + 630 + 26 + 6 + 1 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 135280161 + 891022500 = 11631^2 + 29850^2 .

It is not a de Polignac number, because 1026302661 - 2¹³ = 1026294469 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1026302671) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2290 + ... + 45363.

It is an arithmetic number, because the mean of its divisors is an integer number (123590649).

Almost surely, 2^1026302661 is an apocalyptic number.

It is an amenable number.

1026302661 is a deficient number, since it is larger than the sum of its proper divisors (456785127).

1026302661 is a wasteful number, since it uses less digits than its factorization.

1026302661 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50052 (or 50049 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 27.

The square root of 1026302661 is about 32035.9588743649. The cubic root of 1026302661 is about 1008.6917876147.

Adding to 1026302661 its reverse (1662036201), we get a palindrome (2688338862).

The spelling of 1026302661 in words is "one billion, twenty-six million, three hundred two thousand, six hundred sixty-one".