1172086 has 16 divisors (see below), whose sum is σ = 1849536. Its totient is φ = 556416.

The previous prime is 1172081. The next prime is 1172107. The reversal of 1172086 is 6802711.

It is a self number, because there is not a number n which added to its sum of digits gives 1172086.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1172081) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3310 + ... + 3646.

It is an arithmetic number, because the mean of its divisors is an integer number (115596).

2^1172086 is an apocalyptic number.

1172086 is a deficient number, since it is larger than the sum of its proper divisors (677450).

1172086 is a wasteful number, since it uses less digits than its factorization.

1172086 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 423.

The product of its (nonzero) digits is 672, while the sum is 25.

The square root of 1172086 is about 1082.6292070695. The cubic root of 1172086 is about 105.4354104023.

Adding to 1172086 its reverse (6802711), we get a palindrome (7974797).

The spelling of 1172086 in words is "one million, one hundred seventy-two thousand, eighty-six".