1172138 has 8 divisors (see below), whose sum is σ = 1918080. Its totient is φ = 532780.

The previous prime is 1172111. The next prime is 1172147. The reversal of 1172138 is 8312711.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

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, 26618 + ... + 26661.

It is an arithmetic number, because the mean of its divisors is an integer number (239760).

2^1172138 is an apocalyptic number.

1172138 is a deficient number, since it is larger than the sum of its proper divisors (745942).

1172138 is a wasteful number, since it uses less digits than its factorization.

1172138 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53292.

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

The square root of 1172138 is about 1082.6532224124. The cubic root of 1172138 is about 105.4369696053.

Adding to 1172138 its reverse (8312711), we get a palindrome (9484849).

The spelling of 1172138 in words is "one million, one hundred seventy-two thousand, one hundred thirty-eight".