1121241123420 has 48 divisors (see below), whose sum is σ = 3424881979008. Its totient is φ = 271816029760.

The previous prime is 1121241123419. The next prime is 1121241123421. The reversal of 1121241123420 is 243211421211.

It is an interprime number because it is at equal distance from previous prime (1121241123419) and next prime (1121241123421).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1121241123421) by changing a digit.

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, 849424434 + ... + 849425753.

It is an arithmetic number, because the mean of its divisors is an integer number (71351707896).

Almost surely, 2^{1121241123420} is an apocalyptic number.

1121241123420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1121241123420 is an abundant number, since it is smaller than the sum of its proper divisors (2303640855588).

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

1121241123420 is a wasteful number, since it uses less digits than its factorization.

1121241123420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1698850210 (or 1698850208 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 24.

Adding to 1121241123420 its reverse (243211421211), we get a palindrome (1364452544631).

The spelling of 1121241123420 in words is "one trillion, one hundred twenty-one billion, two hundred forty-one million, one hundred twenty-three thousand, four hundred twenty".