1220333124 has 12 divisors (see below), whose sum is σ = 2847443984. Its totient is φ = 406777704.

The previous prime is 1220333123. The next prime is 1220333129. The reversal of 1220333124 is 4213330221.

It is a tau number, because it is divible by the number of its divisors (12).

It is a self number, because there is not a number n which added to its sum of digits gives 1220333124.

It is not an unprimeable number, because it can be changed into a prime (1220333123) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 50847202 + ... + 50847225.

Almost surely, 2^1220333124 is an apocalyptic number.

It is an amenable number.

1220333124 is an abundant number, since it is smaller than the sum of its proper divisors (1627110860).

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

1220333124 is a wasteful number, since it uses less digits than its factorization.

1220333124 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 101694434 (or 101694432 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 21.

The square root of 1220333124 is about 34933.2667238551. The cubic root of 1220333124 is about 1068.6269761884.

Adding to 1220333124 its reverse (4213330221), we get a palindrome (5433663345).

The spelling of 1220333124 in words is "one billion, two hundred twenty million, three hundred thirty-three thousand, one hundred twenty-four".