1241111 has 4 divisors (see below), whose sum is σ = 1271424. Its totient is φ = 1210800.

The previous prime is 1241087. The next prime is 1241159. The reversal of 1241111 is 1111421.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1111421 = 43 ⋅25847.

It is a cyclic number.

It is not a de Polignac number, because 1241111 - 2¹⁰ = 1240087 is a prime.

It is a Duffinian number.

1241111 is a modest number, since divided by 1111 gives 124 as remainder.

It is a junction number, because it is equal to n+sod(n) for n = 1241092 and 1241101.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1241161) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15095 + ... + 15176.

It is an arithmetic number, because the mean of its divisors is an integer number (317856).

2^1241111 is an apocalyptic number.

1241111 is a deficient number, since it is larger than the sum of its proper divisors (30313).

1241111 is an equidigital number, since it uses as much as digits as its factorization.

1241111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30312.

The product of its digits is 8, while the sum is 11.

The square root of 1241111 is about 1114.0516146032. The cubic root of 1241111 is about 107.4657832331.

Subtracting from 1241111 its sum of digits (11), we obtain a triangular number (1241100 = T₁₅₇₅).

Adding to 1241111 its reverse (1111421), we get a palindrome (2352532).

The spelling of 1241111 in words is "one million, two hundred forty-one thousand, one hundred eleven".