1043241432121 has 4 divisors (see below), whose sum is σ = 1192275922432. Its totient is φ = 894206941812.

The previous prime is 1043241432109. The next prime is 1043241432131. The reversal of 1043241432121 is 1212341423401.

It is a happy number.

1043241432121 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 1043241432121 - 2¹⁹ = 1043240907833 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1043241432121.

It is not an unprimeable number, because it can be changed into a prime (1043241432131) 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, 74517245145 + ... + 74517245158.

It is an arithmetic number, because the mean of its divisors is an integer number (298068980608).

Almost surely, 2^{1043241432121} is an apocalyptic number.

It is an amenable number.

1043241432121 is a deficient number, since it is larger than the sum of its proper divisors (149034490311).

1043241432121 is an equidigital number, since it uses as much as digits as its factorization.

1043241432121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 149034490310.

The product of its (nonzero) digits is 4608, while the sum is 28.

Adding to 1043241432121 its reverse (1212341423401), we get a palindrome (2255582855522).

The spelling of 1043241432121 in words is "one trillion, forty-three billion, two hundred forty-one million, four hundred thirty-two thousand, one hundred twenty-one".