1144201123 has 4 divisors (see below), whose sum is σ = 1232216608. Its totient is φ = 1056185640.

The previous prime is 1144201111. The next prime is 1144201127. The reversal of 1144201123 is 3211024411.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1144201123 - 2²¹ = 1142103971 is a prime.

It is a super-2 number, since 2×1144201123² = 2618392419748922258, which contains 22 as substring.

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 1144201123.

It is not an unprimeable number, because it can be changed into a prime (1144201127) 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, 44007723 + ... + 44007748.

It is an arithmetic number, because the mean of its divisors is an integer number (308054152).

Almost surely, 2^1144201123 is an apocalyptic number.

1144201123 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

1144201123 is a deficient number, since it is larger than the sum of its proper divisors (88015485).

1144201123 is an equidigital number, since it uses as much as digits as its factorization.

1144201123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 88015484.

The product of its (nonzero) digits is 192, while the sum is 19.

The square root of 1144201123 is about 33826.0420829869. The cubic root of 1144201123 is about 1045.9255927851.

Adding to 1144201123 its reverse (3211024411), we get a palindrome (4355225534).

The spelling of 1144201123 in words is "one billion, one hundred forty-four million, two hundred one thousand, one hundred twenty-three".