124540111 has 2 divisors, whose sum is σ = 124540112. Its totient is φ = 124540110.

The previous prime is 124540061. The next prime is 124540133. The reversal of 124540111 is 111045421.

It is a strong prime.

It is an emirp because it is prime and its reverse (111045421) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 124540111 - 2¹⁵ = 124507343 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (124540211) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 62270055 + 62270056.

It is an arithmetic number, because the mean of its divisors is an integer number (62270056).

Almost surely, 2^124540111 is an apocalyptic number.

124540111 is a deficient number, since it is larger than the sum of its proper divisors (1).

124540111 is an equidigital number, since it uses as much as digits as its factorization.

124540111 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 124540111 is about 11159.7540743513. The cubic root of 124540111 is about 499.3860611333.

Adding to 124540111 its reverse (111045421), we get a palindrome (235585532).

The spelling of 124540111 in words is "one hundred twenty-four million, five hundred forty thousand, one hundred eleven".