124220419 has 2 divisors, whose sum is σ = 124220420. Its totient is φ = 124220418.

The previous prime is 124220399. The next prime is 124220443. The reversal of 124220419 is 914022421.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 124220419 - 2⁵ = 124220387 is a prime.

It is a super-2 number, since 2×124220419² = 30861424993071122, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 124220393 and 124220402.

It is not a weakly prime, because it can be changed into another prime (124220219) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 62110209 + 62110210.

It is an arithmetic number, because the mean of its divisors is an integer number (62110210).

Almost surely, 2^124220419 is an apocalyptic number.

124220419 is a deficient number, since it is larger than the sum of its proper divisors (1).

124220419 is an equidigital number, since it uses as much as digits as its factorization.

124220419 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1152, while the sum is 25.

The square root of 124220419 is about 11145.4214366259. The cubic root of 124220419 is about 498.9583902718.

The spelling of 124220419 in words is "one hundred twenty-four million, two hundred twenty thousand, four hundred nineteen".