1264071112 has 8 divisors (see below), whose sum is σ = 2370133350. Its totient is φ = 632035552.

The previous prime is 1264071077. The next prime is 1264071113. The reversal of 1264071112 is 2111704621.

It can be written as a sum of positive squares in only one way, i.e., 897961156 + 366109956 = 29966^2 + 19134^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is not an unprimeable number, because it can be changed into a prime (1264071113) by changing a digit.

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 as a sum of consecutive naturals, namely, 79004437 + ... + 79004452.

Almost surely, 2^1264071112 is an apocalyptic number.

It is an amenable number.

1264071112 is a deficient number, since it is larger than the sum of its proper divisors (1106062238).

1264071112 is a wasteful number, since it uses less digits than its factorization.

1264071112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 158008895 (or 158008891 counting only the distinct ones).

The product of its (nonzero) digits is 672, while the sum is 25.

The square root of 1264071112 is about 35553.7777458317. Note that the first 4 decimals coincide. The cubic root of 1264071112 is about 1081.2443111421.

Adding to 1264071112 its reverse (2111704621), we get a palindrome (3375775733).

The spelling of 1264071112 in words is "one billion, two hundred sixty-four million, seventy-one thousand, one hundred twelve".