124212103 has 2 divisors, whose sum is σ = 124212104. Its totient is φ = 124212102.

The previous prime is 124212091. The next prime is 124212107. The reversal of 124212103 is 301212421.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 124212103 - 2¹⁷ = 124081031 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (124212107) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 62106051 + 62106052.

It is an arithmetic number, because the mean of its divisors is an integer number (62106052).

Almost surely, 2^124212103 is an apocalyptic number.

124212103 is a deficient number, since it is larger than the sum of its proper divisors (1).

124212103 is an equidigital number, since it uses as much as digits as its factorization.

124212103 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 96, while the sum is 16.

The square root of 124212103 is about 11145.0483623895. The cubic root of 124212103 is about 498.9472556811.

Adding to 124212103 its reverse (301212421), we get a palindrome (425424524).

The spelling of 124212103 in words is "one hundred twenty-four million, two hundred twelve thousand, one hundred three".