124204111 has 2 divisors, whose sum is σ = 124204112. Its totient is φ = 124204110.

The previous prime is 124204103. The next prime is 124204123. The reversal of 124204111 is 111402421.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 124204111 - 2³ = 124204103 is a prime.

It is a super-2 number, since 2×124204111² = 30853322378600642, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (124204141) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 62102055 + 62102056.

It is an arithmetic number, because the mean of its divisors is an integer number (62102056).

Almost surely, 2^124204111 is an apocalyptic number.

124204111 is a deficient number, since it is larger than the sum of its proper divisors (1).

124204111 is an equidigital number, since it uses as much as digits as its factorization.

124204111 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 64, while the sum is 16.

The square root of 124204111 is about 11144.6898117444. The cubic root of 124204111 is about 498.9365544373.

Adding to 124204111 its reverse (111402421), we get a palindrome (235606532).

The spelling of 124204111 in words is "one hundred twenty-four million, two hundred four thousand, one hundred eleven".