124221288 has 16 divisors (see below), whose sum is σ = 310553280. Its totient is φ = 41407088.

The previous prime is 124221287. The next prime is 124221289. The reversal of 124221288 is 882122421.

It is an interprime number because it is at equal distance from previous prime (124221287) and next prime (124221289).

It is a nude number because it is divisible by every one of its digits.

It is not an unprimeable number, because it can be changed into a prime (124221287) 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 3 ways as a sum of consecutive naturals, for example, 2587920 + ... + 2587967.

It is an arithmetic number, because the mean of its divisors is an integer number (19409580).

Almost surely, 2^124221288 is an apocalyptic number.

It is an amenable number.

124221288 is an abundant number, since it is smaller than the sum of its proper divisors (186331992).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

124221288 is a wasteful number, since it uses less digits than its factorization.

124221288 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5175896 (or 5175892 counting only the distinct ones).

The product of its digits is 4096, while the sum is 30.

The square root of 124221288 is about 11145.4604211760. The cubic root of 124221288 is about 498.9595537784.

The spelling of 124221288 in words is "one hundred twenty-four million, two hundred twenty-one thousand, two hundred eighty-eight".