1122144142240 has 96 divisors (see below), whose sum is σ = 2904484879296. Its totient is φ = 406300968960.

The previous prime is 1122144142237. The next prime is 1122144142241. The reversal of 1122144142240 is 422414412211.

It is a junction number, because it is equal to n+sod(n) for n = 1122144142199 and 1122144142208.

It is not an unprimeable number, because it can be changed into a prime (1122144142241) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 958122 + ... + 1778281.

It is an arithmetic number, because the mean of its divisors is an integer number (30255050826).

Almost surely, 2^{1122144142240} is an apocalyptic number.

1122144142240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1122144142240 is an abundant number, since it is smaller than the sum of its proper divisors (1782340737056).

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

1122144142240 is a wasteful number, since it uses less digits than its factorization.

1122144142240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2736662 (or 2736654 counting only the distinct ones).

The product of its (nonzero) digits is 4096, while the sum is 28.

Adding to 1122144142240 its reverse (422414412211), we get a palindrome (1544558554451).

The spelling of 1122144142240 in words is "one trillion, one hundred twenty-two billion, one hundred forty-four million, one hundred forty-two thousand, two hundred forty".