1264153066 has 12 divisors (see below), whose sum is σ = 2084285826. Its totient is φ = 574614920.

The previous prime is 1264153019. The next prime is 1264153073. The reversal of 1264153066 is 6603514621.

It can be written as a sum of positive squares in only one way, i.e., 1209022441 + 55130625 = 34771^2 + 7425^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2611645 + ... + 2612128.

Almost surely, 2^1264153066 is an apocalyptic number.

1264153066 is a deficient number, since it is larger than the sum of its proper divisors (820132760).

1264153066 is a wasteful number, since it uses less digits than its factorization.

1264153066 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5223797 (or 5223786 counting only the distinct ones).

The product of its (nonzero) digits is 25920, while the sum is 34.

The square root of 1264153066 is about 35554.9302629045. The cubic root of 1264153066 is about 1081.2676775441.

Adding to 1264153066 its reverse (6603514621), we get a palindrome (7867667687).

The spelling of 1264153066 in words is "one billion, two hundred sixty-four million, one hundred fifty-three thousand, sixty-six".