124045111 has 2 divisors, whose sum is σ = 124045112. Its totient is φ = 124045110.

The previous prime is 124045109. The next prime is 124045121. The reversal of 124045111 is 111540421.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 124045111 - 2¹ = 124045109 is a prime.

Together with 124045109, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (124045121) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 62022555 + 62022556.

It is an arithmetic number, because the mean of its divisors is an integer number (62022556).

Almost surely, 2^124045111 is an apocalyptic number.

124045111 is a deficient number, since it is larger than the sum of its proper divisors (1).

124045111 is an equidigital number, since it uses as much as digits as its factorization.

124045111 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 160, while the sum is 19.

The square root of 124045111 is about 11137.5540851661. The cubic root of 124045111 is about 498.7235588355.

Adding to 124045111 its reverse (111540421), we get a palindrome (235585532).

The spelling of 124045111 in words is "one hundred twenty-four million, forty-five thousand, one hundred eleven".