1072331266 has 4 divisors (see below), whose sum is σ = 1608496902. Its totient is φ = 536165632.

The previous prime is 1072331263. The next prime is 1072331297. The reversal of 1072331266 is 6621332701.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 6621332701 = 457 ⋅14488693.

It can be written as a sum of positive squares in only one way, i.e., 679697041 + 392634225 = 26071^2 + 19815^2 .

It is a super-2 number, since 2×1072331266² = 2299788688082325512, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1072331263) by changing a digit.

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 as a sum of consecutive naturals, namely, 268082815 + ... + 268082818.

Almost surely, 2^1072331266 is an apocalyptic number.

1072331266 is a deficient number, since it is larger than the sum of its proper divisors (536165636).

1072331266 is an equidigital number, since it uses as much as digits as its factorization.

1072331266 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 536165635.

The product of its (nonzero) digits is 9072, while the sum is 31.

The square root of 1072331266 is about 32746.4695196291. The cubic root of 1072331266 is about 1023.5513991905.

Adding to 1072331266 its reverse (6621332701), we get a palindrome (7693663967).

The spelling of 1072331266 in words is "one billion, seventy-two million, three hundred thirty-one thousand, two hundred sixty-six".