1210221124 has 12 divisors (see below), whose sum is σ = 2420442304. Its totient is φ = 518666184.

The previous prime is 1210221119. The next prime is 1210221161. The reversal of 1210221124 is 4211220121.

1210221124 is an admirable number.

It is a junction number, because it is equal to n+sod(n) for n = 1210221098 and 1210221107.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 21611064 + ... + 21611119.

Almost surely, 2^1210221124 is an apocalyptic number.

1210221124 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

1210221124 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

1210221124 is a wasteful number, since it uses less digits than its factorization.

1210221124 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43222194 (or 43222192 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 16.

The square root of 1210221124 is about 34788.2325506772. The cubic root of 1210221124 is about 1065.6671447217.

Adding to 1210221124 its reverse (4211220121), we get a palindrome (5421441245).

The spelling of 1210221124 in words is "one billion, two hundred ten million, two hundred twenty-one thousand, one hundred twenty-four".