1173055272 has 16 divisors (see below), whose sum is σ = 2932638240. Its totient is φ = 391018416.

The previous prime is 1173055253. The next prime is 1173055291. The reversal of 1173055272 is 2725503711.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (1173055253) and next prime (1173055291).

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 24438628 + ... + 24438675.

It is an arithmetic number, because the mean of its divisors is an integer number (183289890).

Almost surely, 2^1173055272 is an apocalyptic number.

1173055272 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1173055272 is an abundant number, since it is smaller than the sum of its proper divisors (1759582968).

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

1173055272 is a wasteful number, since it uses less digits than its factorization.

1173055272 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48877312 (or 48877308 counting only the distinct ones).

The product of its (nonzero) digits is 14700, while the sum is 33.

The square root of 1173055272 is about 34249.8944815893. The cubic root of 1173055272 is about 1054.6446612952.

Adding to 1173055272 its reverse (2725503711), we get a palindrome (3898558983).

The spelling of 1173055272 in words is "one billion, one hundred seventy-three million, fifty-five thousand, two hundred seventy-two".