1173128 has 16 divisors (see below), whose sum is σ = 2399760. Its totient is φ = 533200.

The previous prime is 1173127. The next prime is 1173157. The reversal of 1173128 is 8213711.

It is a happy number.

1173128 is nontrivially palindromic in base 5.

It is not an unprimeable number, because it can be changed into a prime (1173121) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6578 + ... + 6753.

It is an arithmetic number, because the mean of its divisors is an integer number (149985).

2^1173128 is an apocalyptic number.

It is an amenable number.

1173128 is an abundant number, since it is smaller than the sum of its proper divisors (1226632).

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

1173128 is a wasteful number, since it uses less digits than its factorization.

1173128 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13348 (or 13344 counting only the distinct ones).

The product of its digits is 336, while the sum is 23.

The square root of 1173128 is about 1083.1103360231. The cubic root of 1173128 is about 105.4666456407.

Adding to 1173128 its reverse (8213711), we get a palindrome (9386839).

It can be divided in two parts, 11 and 73128, that multiplied together give a palindrome (804408).

The spelling of 1173128 in words is "one million, one hundred seventy-three thousand, one hundred twenty-eight".