124220356 has 24 divisors (see below), whose sum is σ = 234410904. Its totient is φ = 57258240.

The previous prime is 124220333. The next prime is 124220387. The reversal of 124220356 is 653022421.

It can be written as a sum of positive squares in 4 ways, for example, as 6150400 + 118069956 = 2480^2 + 10866^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 124220356.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 76206 + ... + 77818.

It is an arithmetic number, because the mean of its divisors is an integer number (9767121).

Almost surely, 2^124220356 is an apocalyptic number.

It is an amenable number.

124220356 is a deficient number, since it is larger than the sum of its proper divisors (110190548).

124220356 is a wasteful number, since it uses less digits than its factorization.

124220356 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3111 (or 3109 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 25.

The square root of 124220356 is about 11145.4186103529. The cubic root of 124220356 is about 498.9583059207.

Adding to 124220356 its reverse (653022421), we get a palindrome (777242777).

The spelling of 124220356 in words is "one hundred twenty-four million, two hundred twenty thousand, three hundred fifty-six".