1241202220 has 12 divisors (see below), whose sum is σ = 2606524704. Its totient is φ = 496480880.

The previous prime is 1241202217. The next prime is 1241202229. The reversal of 1241202220 is 222021421.

It is a junction number, because it is equal to n+sod(n) for n = 1241202194 and 1241202203.

It is not an unprimeable number, because it can be changed into a prime (1241202229) 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, 31030036 + ... + 31030075.

It is an arithmetic number, because the mean of its divisors is an integer number (217210392).

Almost surely, 2^1241202220 is an apocalyptic number.

1241202220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1241202220 is an abundant number, since it is smaller than the sum of its proper divisors (1365322484).

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

1241202220 is a wasteful number, since it uses less digits than its factorization.

1241202220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 62060120 (or 62060118 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 16.

The square root of 1241202220 is about 35230.6999646615. The cubic root of 1241202220 is about 1074.6841603238.

Adding to 1241202220 its reverse (222021421), we get a palindrome (1463223641).

The spelling of 1241202220 in words is "one billion, two hundred forty-one million, two hundred two thousand, two hundred twenty".