1171051 has 6 divisors (see below), whose sum is σ = 1362300. Its totient is φ = 1003716.

The previous prime is 1171039. The next prime is 1171057. The reversal of 1171051 is 1501711.

It is not a de Polignac number, because 1171051 - 2¹³ = 1162859 is a prime.

It is a Duffinian number.

1171051 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (1171057) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 11901 + ... + 11998.

It is an arithmetic number, because the mean of its divisors is an integer number (227050).

2^1171051 is an apocalyptic number.

1171051 is a deficient number, since it is larger than the sum of its proper divisors (191249).

1171051 is an equidigital number, since it uses as much as digits as its factorization.

1171051 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23913 (or 23906 counting only the distinct ones).

The product of its (nonzero) digits is 35, while the sum is 16.

The square root of 1171051 is about 1082.1510985070. The cubic root of 1171051 is about 105.4043666659.

Adding to 1171051 its reverse (1501711), we get a palindrome (2672762).

The spelling of 1171051 in words is "one million, one hundred seventy-one thousand, fifty-one".