1241423220 has 48 divisors (see below), whose sum is σ = 3549950208. Its totient is φ = 324001920.

The previous prime is 1241423207. The next prime is 1241423221. The reversal of 1241423220 is 223241421.

It is a super-2 number, since 2×1241423220² = 3082263222310336800, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1241423221) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 217291 + ... + 222930.

It is an arithmetic number, because the mean of its divisors is an integer number (73957296).

Almost surely, 2^1241423220 is an apocalyptic number.

1241423220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1241423220 is an abundant number, since it is smaller than the sum of its proper divisors (2308526988).

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

1241423220 is a wasteful number, since it uses less digits than its factorization.

1241423220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 440280 (or 440278 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 21.

The square root of 1241423220 is about 35233.8362941080. The cubic root of 1241423220 is about 1074.7479401820.

Adding to 1241423220 its reverse (223241421), we get a palindrome (1464664641).

The spelling of 1241423220 in words is "one billion, two hundred forty-one million, four hundred twenty-three thousand, two hundred twenty".