1043421121244 has 12 divisors (see below), whose sum is σ = 1843714991664. Its totient is φ = 516645409344.

The previous prime is 1043421121243. The next prime is 1043421121277. The reversal of 1043421121244 is 4421211243401.

It is a super-2 number, since 2×1043421121244² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1043421121243) 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, 1266287357 + ... + 1266288180.

It is an arithmetic number, because the mean of its divisors is an integer number (153642915972).

Almost surely, 2^{1043421121244} is an apocalyptic number.

It is an amenable number.

1043421121244 is a deficient number, since it is larger than the sum of its proper divisors (800293870420).

1043421121244 is a wasteful number, since it uses less digits than its factorization.

1043421121244 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2532575644 (or 2532575642 counting only the distinct ones).

The product of its (nonzero) digits is 6144, while the sum is 29.

Adding to 1043421121244 its reverse (4421211243401), we get a palindrome (5464632364645).

The spelling of 1043421121244 in words is "one trillion, forty-three billion, four hundred twenty-one million, one hundred twenty-one thousand, two hundred forty-four".