1150021266 has 16 divisors (see below), whose sum is σ = 2300793600. Its totient is φ = 383215248.

The previous prime is 1150021247. The next prime is 1150021267. The reversal of 1150021266 is 6621200511.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (1150021267) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10306 + ... + 49053.

It is an arithmetic number, because the mean of its divisors is an integer number (143799600).

Almost surely, 2^1150021266 is an apocalyptic number.

1150021266 is an abundant number, since it is smaller than the sum of its proper divisors (1150772334).

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

1150021266 is a wasteful number, since it uses less digits than its factorization.

1150021266 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 62593.

The product of its (nonzero) digits is 720, while the sum is 24.

The square root of 1150021266 is about 33911.9634642408. The cubic root of 1150021266 is about 1047.6960111510.

Adding to 1150021266 its reverse (6621200511), we get a palindrome (7771221777).

The spelling of 1150021266 in words is "one billion, one hundred fifty million, twenty-one thousand, two hundred sixty-six".