1140342123220 has 48 divisors (see below), whose sum is σ = 2477817216000. Its totient is φ = 440315146880.

The previous prime is 1140342123209. The next prime is 1140342123281. The reversal of 1140342123220 is 223212430411.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2578575 + ... + 2988265.

It is an arithmetic number, because the mean of its divisors is an integer number (51621192000).

Almost surely, 2^{1140342123220} is an apocalyptic number.

1140342123220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1140342123220 is an abundant number, since it is smaller than the sum of its proper divisors (1337475092780).

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

1140342123220 is a wasteful number, since it uses less digits than its factorization.

1140342123220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 414528 (or 414526 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 25.

Adding to 1140342123220 its reverse (223212430411), we get a palindrome (1363554553631).

The spelling of 1140342123220 in words is "one trillion, one hundred forty billion, three hundred forty-two million, one hundred twenty-three thousand, two hundred twenty".