1266010026 has 16 divisors (see below), whose sum is σ = 2680962624. Its totient is φ = 397179584.

The previous prime is 1266009989. The next prime is 1266010027. The reversal of 1266010026 is 6200106621.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 1266009978 and 1266010005.

It is not an unprimeable number, because it can be changed into a prime (1266010027) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6205830 + ... + 6206033.

It is an arithmetic number, because the mean of its divisors is an integer number (167560164).

Almost surely, 2^1266010026 is an apocalyptic number.

1266010026 is an abundant number, since it is smaller than the sum of its proper divisors (1414952598).

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

1266010026 is a wasteful number, since it uses less digits than its factorization.

1266010026 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12411885.

The product of its (nonzero) digits is 864, while the sum is 24.

The square root of 1266010026 is about 35581.0346392569. The cubic root of 1266010026 is about 1081.7968562059.

Adding to 1266010026 its reverse (6200106621), we get a palindrome (7466116647).

The spelling of 1266010026 in words is "one billion, two hundred sixty-six million, ten thousand, twenty-six".