1172725266 has 16 divisors (see below), whose sum is σ = 2345875488. Its totient is φ = 390837600.

The previous prime is 1172725261. The next prime is 1172725271. The reversal of 1172725266 is 6625272711.

It is an interprime number because it is at equal distance from previous prime (1172725261) and next prime (1172725271).

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (1172725261) 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, 26761 + ... + 55331.

It is an arithmetic number, because the mean of its divisors is an integer number (146617218).

Almost surely, 2^1172725266 is an apocalyptic number.

1172725266 is an abundant number, since it is smaller than the sum of its proper divisors (1173150222).

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

1172725266 is a wasteful number, since it uses less digits than its factorization.

1172725266 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35417.

The product of its digits is 70560, while the sum is 39.

The square root of 1172725266 is about 34245.0765220345. The cubic root of 1172725266 is about 1054.5457538477.

Adding to 1172725266 its reverse (6625272711), we get a palindrome (7797997977).

The spelling of 1172725266 in words is "one billion, one hundred seventy-two million, seven hundred twenty-five thousand, two hundred sixty-six".