1120420331343 has 16 divisors (see below), whose sum is σ = 1678532335200. Its totient is φ = 738554224320.

The previous prime is 1120420331309. The next prime is 1120420331353. The reversal of 1120420331343 is 3431330240211.

It is a happy number.

1120420331343 is a `hidden beast` number, since 112 + 0 + 4 + 203 + 3 + 1 + 343 = 666.

It is not a de Polignac number, because 1120420331343 - 2¹⁸ = 1120420069199 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1120420331353) 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, 233127088 + ... + 233131893.

It is an arithmetic number, because the mean of its divisors is an integer number (104908270950).

Almost surely, 2^{1120420331343} is an apocalyptic number.

1120420331343 is a deficient number, since it is larger than the sum of its proper divisors (558112003857).

1120420331343 is an equidigital number, since it uses as much as digits as its factorization.

1120420331343 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 466259079 (or 466259073 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 27.

Adding to 1120420331343 its reverse (3431330240211), we get a palindrome (4551750571554).

The spelling of 1120420331343 in words is "one trillion, one hundred twenty billion, four hundred twenty million, three hundred thirty-one thousand, three hundred forty-three".