1123140124340 has 24 divisors (see below), whose sum is σ = 2540024589480. Its totient is φ = 414697891968.

The previous prime is 1123140124319. The next prime is 1123140124343. The reversal of 1123140124340 is 434210413211.

It can be written as a sum of positive squares in 4 ways, for example, as 133111144336 + 990028980004 = 364844^2 + 995002^2 .

It is a super-2 number, since 2×1123140124340² (a number of 25 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (26).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1123140124343) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2159884595 + ... + 2159885114.

It is an arithmetic number, because the mean of its divisors is an integer number (105834357895).

Almost surely, 2^{1123140124340} is an apocalyptic number.

1123140124340 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1123140124340 is an abundant number, since it is smaller than the sum of its proper divisors (1416884465140).

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

1123140124340 is a wasteful number, since it uses less digits than its factorization.

1123140124340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4319769731 (or 4319769729 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 26.

Adding to 1123140124340 its reverse (434210413211), we get a palindrome (1557350537551).

The spelling of 1123140124340 in words is "one trillion, one hundred twenty-three billion, one hundred forty million, one hundred twenty-four thousand, three hundred forty".