Search a number
-
+
124421219 = 1310392921
BaseRepresentation
bin1110110101010…
…00010001100011
322200010020211022
413122220101203
5223322434334
620202440055
73040364036
oct732502143
9280106738
10124421219
116426155a
123580302b
131ca14430
141274b01d
15adca82e
hex76a8463

124421219 has 8 divisors (see below), whose sum is σ = 135294432. Its totient is φ = 113734080.

The previous prime is 124421207. The next prime is 124421239. The reversal of 124421219 is 912124421.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 124421219 - 28 = 124420963 is a prime.

It is a super-2 number, since 2×1244212192 = 30961279474891922, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (124421239) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 45122 + ... + 47799.

It is an arithmetic number, because the mean of its divisors is an integer number (16911804).

Almost surely, 2124421219 is an apocalyptic number.

124421219 is a deficient number, since it is larger than the sum of its proper divisors (10873213).

124421219 is a wasteful number, since it uses less digits than its factorization.

124421219 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 93037.

The product of its digits is 1152, while the sum is 26.

The square root of 124421219 is about 11154.4259825416. The cubic root of 124421219 is about 499.2270978602.

The spelling of 124421219 in words is "one hundred twenty-four million, four hundred twenty-one thousand, two hundred nineteen".

Divisors: 1 13 103 1339 92921 1207973 9570863 124421219