1182121 has 2 divisors, whose sum is σ = 1182122. Its totient is φ = 1182120.

The previous prime is 1182073. The next prime is 1182133. The reversal of 1182121 is 1212811.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1022121 + 160000 = 1011^2 + 400^2 .

It is an emirp because it is prime and its reverse (1212811) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1182121 - 2¹¹ = 1180073 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1182095 and 1182104.

It is not a weakly prime, because it can be changed into another prime (1182421) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 591060 + 591061.

It is an arithmetic number, because the mean of its divisors is an integer number (591061).

2^1182121 is an apocalyptic number.

It is an amenable number.

1182121 is a deficient number, since it is larger than the sum of its proper divisors (1).

1182121 is an equidigital number, since it uses as much as digits as its factorization.

1182121 is an evil number, because the sum of its binary digits is even.

The product of its digits is 32, while the sum is 16.

The square root of 1182121 is about 1087.2538801954. The cubic root of 1182121 is about 105.7354563847.

Adding to 1182121 its reverse (1212811), we get a palindrome (2394932).

It can be divided in two parts, 118 and 2121, that multiplied together give a triangular number (250278 = T₇₀₇).

The spelling of 1182121 in words is "one million, one hundred eighty-two thousand, one hundred twenty-one".