1266010628 has 24 divisors (see below), whose sum is σ = 2275983360. Its totient is φ = 615817280.

The previous prime is 1266010619. The next prime is 1266010633. The reversal of 1266010628 is 8260106621.

It is a junction number, because it is equal to n+sod(n) for n = 1266010594 and 1266010603.

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, 48125 + ... + 69627.

It is an arithmetic number, because the mean of its divisors is an integer number (94832640).

Almost surely, 2^1266010628 is an apocalyptic number.

It is an amenable number.

1266010628 is a deficient number, since it is larger than the sum of its proper divisors (1009972732).

1266010628 is a wasteful number, since it uses less digits than its factorization.

1266010628 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21907 (or 21905 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 32.

The square root of 1266010628 is about 35581.0430988188. The cubic root of 1266010628 is about 1081.7970276742.

The spelling of 1266010628 in words is "one billion, two hundred sixty-six million, ten thousand, six hundred twenty-eight".