124223291 has 2 divisors, whose sum is σ = 124223292. Its totient is φ = 124223290.

The previous prime is 124223287. The next prime is 124223329. The reversal of 124223291 is 192322421.

It is a weak prime.

It is an emirp because it is prime and its reverse (192322421) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 124223291 - 2² = 124223287 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 124223291.

It is not a weakly prime, because it can be changed into another prime (124223201) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 62111645 + 62111646.

It is an arithmetic number, because the mean of its divisors is an integer number (62111646).

Almost surely, 2^124223291 is an apocalyptic number.

124223291 is a deficient number, since it is larger than the sum of its proper divisors (1).

124223291 is an equidigital number, since it uses as much as digits as its factorization.

124223291 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1728, while the sum is 26.

The square root of 124223291 is about 11145.5502780258. The cubic root of 124223291 is about 498.9622355802.

The spelling of 124223291 in words is "one hundred twenty-four million, two hundred twenty-three thousand, two hundred ninety-one".