1121232341240 has 64 divisors (see below), whose sum is σ = 2752292459520. Its totient is φ = 407694672000.

The previous prime is 1121232341237. The next prime is 1121232341303. The reversal of 1121232341240 is 421432321211.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7596545 + ... + 7742735.

It is an arithmetic number, because the mean of its divisors is an integer number (43004569680).

Almost surely, 2^{1121232341240} is an apocalyptic number.

1121232341240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1121232341240 is an abundant number, since it is smaller than the sum of its proper divisors (1631060118280).

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

1121232341240 is a wasteful number, since it uses less digits than its factorization.

1121232341240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 163644 (or 163640 counting only the distinct ones).

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

Adding to 1121232341240 its reverse (421432321211), we get a palindrome (1542664662451).

The spelling of 1121232341240 in words is "one trillion, one hundred twenty-one billion, two hundred thirty-two million, three hundred forty-one thousand, two hundred forty".