1266427010 has 16 divisors (see below), whose sum is σ = 2281793976. Its totient is φ = 506076288.

The previous prime is 1266427003. The next prime is 1266427027. The reversal of 1266427010 is 107246621.

It can be written as a sum of positive squares in 4 ways, for example, as 941814721 + 324612289 = 30689^2 + 18017^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 50969 + ... + 71628.

Almost surely, 2^1266427010 is an apocalyptic number.

1266427010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1266427010 is a deficient number, since it is larger than the sum of its proper divisors (1015366966).

1266427010 is a wasteful number, since it uses less digits than its factorization.

1266427010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 123637.

The product of its (nonzero) digits is 4032, while the sum is 29.

The square root of 1266427010 is about 35586.8937953286. The cubic root of 1266427010 is about 1081.9156131549.

The spelling of 1266427010 in words is "one billion, two hundred sixty-six million, four hundred twenty-seven thousand, ten".