1266630112 has 24 divisors (see below), whose sum is σ = 2720376792. Its totient is φ = 575740800.

The previous prime is 1266630103. The next prime is 1266630121. The reversal of 1266630112 is 2110366621.

It is an interprime number because it is at equal distance from previous prime (1266630103) and next prime (1266630121).

It is a congruent number.

It is an unprimeable number.

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, 1798839 + ... + 1799542.

It is an arithmetic number, because the mean of its divisors is an integer number (113349033).

Almost surely, 2^1266630112 is an apocalyptic number.

It is an amenable number.

1266630112 is an abundant number, since it is smaller than the sum of its proper divisors (1453746680).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1266630112 is a wasteful number, since it uses less digits than its factorization.

1266630112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3598402 (or 3598394 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 28.

The square root of 1266630112 is about 35589.7472876670. The cubic root of 1266630112 is about 1081.9734471180.

Adding to 1266630112 its reverse (2110366621), we get a palindrome (3376996733).

It can be divided in two parts, 12666 and 30112, that added together give a triangular number (42778 = T₂₉₂).

The spelling of 1266630112 in words is "one billion, two hundred sixty-six million, six hundred thirty thousand, one hundred twelve".