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124422101 is a prime number
BaseRepresentation
bin1110110101010…
…00011111010101
322200010022000222
413122220133111
5223323001401
620202444125
73040366436
oct732503725
9280108028
10124422101
1164262191
1235803645
131ca1495b
141274b48d
15adcac1b
hex76a87d5

124422101 has 2 divisors, whose sum is σ = 124422102. Its totient is φ = 124422100.

The previous prime is 124422079. The next prime is 124422107. The reversal of 124422101 is 101224421.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 112381201 + 12040900 = 10601^2 + 3470^2 .

It is an emirp because it is prime and its reverse (101224421) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 124422101 - 226 = 57313237 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 124422101.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (124422107) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 62211050 + 62211051.

It is an arithmetic number, because the mean of its divisors is an integer number (62211051).

Almost surely, 2124422101 is an apocalyptic number.

It is an amenable number.

124422101 is a deficient number, since it is larger than the sum of its proper divisors (1).

124422101 is an equidigital number, since it uses as much as digits as its factorization.

124422101 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 128, while the sum is 17.

The square root of 124422101 is about 11154.4655183473. The cubic root of 124422101 is about 499.2282775016.

Adding to 124422101 its reverse (101224421), we get a palindrome (225646522).

The spelling of 124422101 in words is "one hundred twenty-four million, four hundred twenty-two thousand, one hundred one".