1120450120421 has 32 divisors (see below), whose sum is σ = 1301622048000. Its totient is φ = 957942881280.

The previous prime is 1120450120367. The next prime is 1120450120441. The reversal of 1120450120421 is 1240210540211.

It is a cyclic number.

It is not a de Polignac number, because 1120450120421 - 2¹⁸ = 1120449858277 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (23).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1120450120441) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 118271 + ... + 1501628.

It is an arithmetic number, because the mean of its divisors is an integer number (40675689000).

Almost surely, 2^{1120450120421} is an apocalyptic number.

It is an amenable number.

1120450120421 is a deficient number, since it is larger than the sum of its proper divisors (181171927579).

1120450120421 is a wasteful number, since it uses less digits than its factorization.

1120450120421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1620029.

The product of its (nonzero) digits is 640, while the sum is 23.

Adding to 1120450120421 its reverse (1240210540211), we get a palindrome (2360660660632).

The spelling of 1120450120421 in words is "one trillion, one hundred twenty billion, four hundred fifty million, one hundred twenty thousand, four hundred twenty-one".