124221153 has 8 divisors (see below), whose sum is σ = 189289408. Its totient is φ = 70983504.

The previous prime is 124221131. The next prime is 124221179. The reversal of 124221153 is 351122421.

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

It is not a de Polignac number, because 124221153 - 2⁵ = 124221121 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21), and also a Moran number because the ratio is a prime number: 5915293 = 124221153 / (1 + 2 + 4 + 2 + 2 + 1 + 1 + 5 + 3).

It is not an unprimeable number, because it can be changed into a prime (124221353) 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 in 7 ways as a sum of consecutive naturals, for example, 2957626 + ... + 2957667.

It is an arithmetic number, because the mean of its divisors is an integer number (23661176).

Almost surely, 2^124221153 is an apocalyptic number.

It is an amenable number.

124221153 is a deficient number, since it is larger than the sum of its proper divisors (65068255).

124221153 is an equidigital number, since it uses as much as digits as its factorization.

124221153 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5915303.

The product of its digits is 480, while the sum is 21.

The square root of 124221153 is about 11145.4543648969. The cubic root of 124221153 is about 498.9593730269.

Adding to 124221153 its reverse (351122421), we get a palindrome (475343574).

The spelling of 124221153 in words is "one hundred twenty-four million, two hundred twenty-one thousand, one hundred fifty-three".