220124071 has 2 divisors, whose sum is σ = 220124072. Its totient is φ = 220124070.

The previous prime is 220124033. The next prime is 220124089. The reversal of 220124071 is 170421022.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 220124071 - 2¹⁵ = 220091303 is a prime.

It is a super-2 number, since 2×220124071² = 96909213267226082, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (220124371) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 110062035 + 110062036.

It is an arithmetic number, because the mean of its divisors is an integer number (110062036).

Almost surely, 2^220124071 is an apocalyptic number.

220124071 is a deficient number, since it is larger than the sum of its proper divisors (1).

220124071 is an equidigital number, since it uses as much as digits as its factorization.

220124071 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 224, while the sum is 19.

The square root of 220124071 is about 14836.5788172341. The cubic root of 220124071 is about 603.7945361629.

Adding to 220124071 its reverse (170421022), we get a palindrome (390545093).

The spelling of 220124071 in words is "two hundred twenty million, one hundred twenty-four thousand, seventy-one".