124499399 has 2 divisors, whose sum is σ = 124499400. Its totient is φ = 124499398.

The previous prime is 124499393. The next prime is 124499429. The reversal of 124499399 is 993994421.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 124499399 - 2¹² = 124495303 is a prime.

It is a super-2 number, since 2×124499399² = 31000200702722402, which contains 22 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (124499393) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 62249699 + 62249700.

It is an arithmetic number, because the mean of its divisors is an integer number (62249700).

Almost surely, 2^124499399 is an apocalyptic number.

124499399 is a deficient number, since it is larger than the sum of its proper divisors (1).

124499399 is an equidigital number, since it uses as much as digits as its factorization.

124499399 is an evil number, because the sum of its binary digits is even.

The product of its digits is 629856, while the sum is 50.

The square root of 124499399 is about 11157.9298707242. The cubic root of 124499399 is about 499.3316389852.

The spelling of 124499399 in words is "one hundred twenty-four million, four hundred ninety-nine thousand, three hundred ninety-nine".