1171406 has 16 divisors (see below), whose sum is σ = 1839024. Its totient is φ = 559104.

The previous prime is 1171399. The next prime is 1171421. The reversal of 1171406 is 6041711.

It is a congruent 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, 4430 + ... + 4686.

It is an arithmetic number, because the mean of its divisors is an integer number (114939).

2^1171406 is an apocalyptic number.

1171406 is a deficient number, since it is larger than the sum of its proper divisors (667618).

1171406 is a wasteful number, since it uses less digits than its factorization.

1171406 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 355.

The product of its (nonzero) digits is 168, while the sum is 20.

The square root of 1171406 is about 1082.3151112315. The cubic root of 1171406 is about 105.4150165777.

It can be divided in two parts, 11 and 71406, that added together give a palindrome (71417).

The spelling of 1171406 in words is "one million, one hundred seventy-one thousand, four hundred six".