1124445644121 has 4 divisors (see below), whose sum is σ = 1499260858832. Its totient is φ = 749630429412.

The previous prime is 1124445644111. The next prime is 1124445644137. The reversal of 1124445644121 is 1214465444211.

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 not a de Polignac number, because 1124445644121 - 2¹⁷ = 1124445513049 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1124445644121.

It is not an unprimeable number, because it can be changed into a prime (1124445644111) 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, 187407607351 + ... + 187407607356.

It is an arithmetic number, because the mean of its divisors is an integer number (374815214708).

Almost surely, 2^{1124445644121} is an apocalyptic number.

It is an amenable number.

1124445644121 is a deficient number, since it is larger than the sum of its proper divisors (374815214711).

1124445644121 is an equidigital number, since it uses as much as digits as its factorization.

1124445644121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 374815214710.

The product of its digits is 122880, while the sum is 39.

The spelling of 1124445644121 in words is "one trillion, one hundred twenty-four billion, four hundred forty-five million, six hundred forty-four thousand, one hundred twenty-one".