1266040630 has 8 divisors (see below), whose sum is σ = 2278873152. Its totient is φ = 506416248.

The previous prime is 1266040619. The next prime is 1266040631. The reversal of 1266040630 is 360406621.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1266040631) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 63302022 + ... + 63302041.

It is an arithmetic number, because the mean of its divisors is an integer number (284859144).

Almost surely, 2^1266040630 is an apocalyptic number.

1266040630 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1266040630 is a deficient number, since it is larger than the sum of its proper divisors (1012832522).

1266040630 is a wasteful number, since it uses less digits than its factorization.

1266040630 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 126604070.

The product of its (nonzero) digits is 5184, while the sum is 28.

The square root of 1266040630 is about 35581.4646972268. The cubic root of 1266040630 is about 1081.8055731048.

The spelling of 1266040630 in words is "one billion, two hundred sixty-six million, forty thousand, six hundred thirty".