1121000144124 has 48 divisors (see below), whose sum is σ = 2989648843776. Its totient is φ = 320251992000.

The previous prime is 1121000144119. The next prime is 1121000144129. The reversal of 1121000144124 is 4214410001211.

It is an interprime number because it is at equal distance from previous prime (1121000144119) and next prime (1121000144129).

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a self number, because there is not a number n which added to its sum of digits gives 1121000144124.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1121000144129) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 103654 + ... + 1500914.

It is an arithmetic number, because the mean of its divisors is an integer number (62284350912).

Almost surely, 2^{1121000144124} is an apocalyptic number.

1121000144124 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

1121000144124 is an abundant number, since it is smaller than the sum of its proper divisors (1868648699652).

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

1121000144124 is a wasteful number, since it uses less digits than its factorization.

1121000144124 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1406826 (or 1406824 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 21.

Adding to 1121000144124 its reverse (4214410001211), we get a palindrome (5335410145335).

The spelling of 1121000144124 in words is "one trillion, one hundred twenty-one billion, one hundred forty-four thousand, one hundred twenty-four".