1266290036 has 24 divisors (see below), whose sum is σ = 2544699360. Its totient is φ = 545292000.

The previous prime is 1266290023. The next prime is 1266290057. The reversal of 1266290036 is 6300926621.

It is a Smith number, since the sum of its digits (35) coincides with the sum of the digits of its prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 1266289978 and 1266290005.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 756515 + ... + 758186.

It is an arithmetic number, because the mean of its divisors is an integer number (106029140).

Almost surely, 2^1266290036 is an apocalyptic number.

It is an amenable number.

1266290036 is an abundant number, since it is smaller than the sum of its proper divisors (1278409324).

1266290036 is a wasteful number, since it uses less digits than its factorization.

1266290036 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1514735 (or 1514733 counting only the distinct ones).

The product of its (nonzero) digits is 23328, while the sum is 35.

The square root of 1266290036 is about 35584.9692426451. The cubic root of 1266290036 is about 1081.8766058661.

The spelling of 1266290036 in words is "one billion, two hundred sixty-six million, two hundred ninety thousand, thirty-six".