1266046004 has 12 divisors (see below), whose sum is σ = 2240475300. Its totient is φ = 625910208.

The previous prime is 1266045973. The next prime is 1266046031. The reversal of 1266046004 is 4006406621.

It can be written as a sum of positive squares in 2 ways, for example, as 366645904 + 899400100 = 19148^2 + 29990^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1777799 + ... + 1778510.

It is an arithmetic number, because the mean of its divisors is an integer number (186706275).

Almost surely, 2^1266046004 is an apocalyptic number.

It is an amenable number.

1266046004 is a deficient number, since it is larger than the sum of its proper divisors (974429296).

1266046004 is a wasteful number, since it uses less digits than its factorization.

1266046004 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3556402 (or 3556400 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 29.

The square root of 1266046004 is about 35581.5402139930. The cubic root of 1266046004 is about 1081.8071037600.

The spelling of 1266046004 in words is "one billion, two hundred sixty-six million, forty-six thousand, four".