1173138 has 16 divisors (see below), whose sum is σ = 2448576. Its totient is φ = 374000.

The previous prime is 1173127. The next prime is 1173157. The reversal of 1173138 is 8313711.

It is a Smith number, since the sum of its digits (24) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4113 + ... + 4388.

It is an arithmetic number, because the mean of its divisors is an integer number (153036).

2^1173138 is an apocalyptic number.

1173138 is an abundant number, since it is smaller than the sum of its proper divisors (1275438).

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

1173138 is a wasteful number, since it uses less digits than its factorization.

1173138 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8529.

The product of its digits is 504, while the sum is 24.

The square root of 1173138 is about 1083.1149523481. The cubic root of 1173138 is about 105.4669453134.

Adding to 1173138 its reverse (8313711), we get a palindrome (9486849).

The spelling of 1173138 in words is "one million, one hundred seventy-three thousand, one hundred thirty-eight".