1111801 has 2 divisors, whose sum is σ = 1111802. Its totient is φ = 1111800.

The previous prime is 1111793. The next prime is 1111841. The reversal of 1111801 is 1081111.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 837225 + 274576 = 915^2 + 524^2 .

It is a cyclic number.

It is not a de Polignac number, because 1111801 - 2³ = 1111793 is a prime.

It is a super-2 number, since 2×1111801² = 2472202927202, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1111841) 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 as a sum of consecutive naturals, namely, 555900 + 555901.

It is an arithmetic number, because the mean of its divisors is an integer number (555901).

2^1111801 is an apocalyptic number.

It is an amenable number.

1111801 is a deficient number, since it is larger than the sum of its proper divisors (1).

1111801 is an equidigital number, since it uses as much as digits as its factorization.

1111801 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 8, while the sum is 13.

The square root of 1111801 is about 1054.4197456421. The cubic root of 1111801 is about 103.5958488818.

Adding to 1111801 its reverse (1081111), we get a palindrome (2192912).

The spelling of 1111801 in words is "one million, one hundred eleven thousand, eight hundred one".