1172 has 6 divisors (see below), whose sum is σ = 2058. Its totient is φ = 584.

The previous prime is 1171. The next prime is 1181. The reversal of 1172 is 2711.

Adding to 1172 its reverse (2711), we get a palindrome (3883).

1172 is nontrivially palindromic in base 12 and base 16.

It can be written as a sum of positive squares in only one way, i.e., 1156 + 16 = 34^2 + 4^2 .

1172 is an undulating number in base 12 and base 16.

It is a plaindrome in base 8.

It is a nialpdrome in base 11 and base 15.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1171) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 143 + ... + 150.

It is an arithmetic number, because the mean of its divisors is an integer number (343).

It is an amenable number.

1172 is a deficient number, since it is larger than the sum of its proper divisors (886).

1172 is a wasteful number, since it uses less digits than its factorization.

1172 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 297 (or 295 counting only the distinct ones).

The product of its digits is 14, while the sum is 11.

The square root of 1172 is about 34.2344855372. The cubic root of 1172 is about 10.5432831619.

The spelling of 1172 in words is "one thousand, one hundred seventy-two", and thus it is an iban number.

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