1241421444 has 96 divisors (see below), whose sum is σ = 3356774400. Its totient is φ = 396264960.

The previous prime is 1241421427. The next prime is 1241421457. The reversal of 1241421444 is 4441241421.

It is a happy number.

It is a super-2 number, since 2×1241421444² = 3082254403246090272, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a nude number because it is divisible by every one of its digits.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 396204 + ... + 399324.

It is an arithmetic number, because the mean of its divisors is an integer number (34966400).

Almost surely, 2^1241421444 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1241421444, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1678387200).

1241421444 is an abundant number, since it is smaller than the sum of its proper divisors (2115352956).

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

1241421444 is a wasteful number, since it uses less digits than its factorization.

1241421444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3290 (or 3282 counting only the distinct ones).

The product of its digits is 4096, while the sum is 27.

The square root of 1241421444 is about 35233.8110910529. The cubic root of 1241421444 is about 1074.7474276645.

Adding to 1241421444 its reverse (4441241421), we get a palindrome (5682662865).

The spelling of 1241421444 in words is "one billion, two hundred forty-one million, four hundred twenty-one thousand, four hundred forty-four".