124140199 has 2 divisors, whose sum is σ = 124140200. Its totient is φ = 124140198.

The previous prime is 124140193. The next prime is 124140283. The reversal of 124140199 is 991041421.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 124140199 - 2¹⁹ = 123615911 is a prime.

It is equal to p_7063951 and since 124140199 and 7063951 have the same sum of digits, it is a Honaker prime.

It is a self number, because there is not a number n which added to its sum of digits gives 124140199.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (124140193) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 62070099 + 62070100.

It is an arithmetic number, because the mean of its divisors is an integer number (62070100).

Almost surely, 2^124140199 is an apocalyptic number.

124140199 is a deficient number, since it is larger than the sum of its proper divisors (1).

124140199 is an equidigital number, since it uses as much as digits as its factorization.

124140199 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2592, while the sum is 31.

The square root of 124140199 is about 11141.8220682256. The cubic root of 124140199 is about 498.8509601041.

The spelling of 124140199 in words is "one hundred twenty-four million, one hundred forty thousand, one hundred ninety-nine".