1120420554 has 24 divisors (see below), whose sum is σ = 2463074880. Its totient is φ = 339521160.

The previous prime is 1120420531. The next prime is 1120420579. The reversal of 1120420554 is 4550240211.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 770914 + ... + 772365.

It is an arithmetic number, because the mean of its divisors is an integer number (102628120).

Almost surely, 2^1120420554 is an apocalyptic number.

1120420554 is an abundant number, since it is smaller than the sum of its proper divisors (1342654326).

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

1120420554 is a wasteful number, since it uses less digits than its factorization.

1120420554 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1543306 (or 1543295 counting only the distinct ones).

The product of its (nonzero) digits is 1600, while the sum is 24.

The square root of 1120420554 is about 33472.6836988013. The cubic root of 1120420554 is about 1038.6287876855.

Adding to 1120420554 its reverse (4550240211), we get a palindrome (5670660765).

The spelling of 1120420554 in words is "one billion, one hundred twenty million, four hundred twenty thousand, five hundred fifty-four".