1172061 has 12 divisors (see below), whose sum is σ = 1847040. Its totient is φ = 710280.

The previous prime is 1172047. The next prime is 1172063. The reversal of 1172061 is 1602711.

It is not a de Polignac number, because 1172061 - 2⁵ = 1172029 is a prime.

It is a Curzon number.

1172061 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1172063) 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 11 ways as a sum of consecutive naturals, for example, 5821 + ... + 6018.

It is an arithmetic number, because the mean of its divisors is an integer number (153920).

2^1172061 is an apocalyptic number.

1172061 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

1172061 is a deficient number, since it is larger than the sum of its proper divisors (674979).

1172061 is a wasteful number, since it uses less digits than its factorization.

1172061 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11856 (or 11853 counting only the distinct ones).

The product of its (nonzero) digits is 84, while the sum is 18.

The square root of 1172061 is about 1082.6176610420. The cubic root of 1172061 is about 105.4346607690.

Adding to 1172061 its reverse (1602711), we get a palindrome (2774772).

It can be divided in two parts, 11720 and 61, that added together give a triangular number (11781 = T₁₅₃).

The spelling of 1172061 in words is "one million, one hundred seventy-two thousand, sixty-one".