124272619 has 2 divisors, whose sum is σ = 124272620. Its totient is φ = 124272618.

The previous prime is 124272571. The next prime is 124272641. The reversal of 124272619 is 916272421.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 124272619 - 2¹⁵ = 124239851 is a prime.

It is a super-2 number, since 2×124272619² = 30887367666238322, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (124272019) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 62136309 + 62136310.

It is an arithmetic number, because the mean of its divisors is an integer number (62136310).

Almost surely, 2^124272619 is an apocalyptic number.

124272619 is a deficient number, since it is larger than the sum of its proper divisors (1).

124272619 is an equidigital number, since it uses as much as digits as its factorization.

124272619 is an evil number, because the sum of its binary digits is even.

The product of its digits is 12096, while the sum is 34.

The square root of 124272619 is about 11147.7629594462. The cubic root of 124272619 is about 499.0282713770.

The spelling of 124272619 in words is "one hundred twenty-four million, two hundred seventy-two thousand, six hundred nineteen".