1120552521 has 32 divisors (see below), whose sum is σ = 1668556800. Its totient is φ = 663084480.

The previous prime is 1120552519. The next prime is 1120552561. The reversal of 1120552521 is 1252550211.

It is not a de Polignac number, because 1120552521 - 2¹ = 1120552519 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1120552491 and 1120552500.

It is not an unprimeable number, because it can be changed into a prime (1120552561) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1099150 + ... + 1100168.

It is an arithmetic number, because the mean of its divisors is an integer number (52142400).

Almost surely, 2^1120552521 is an apocalyptic number.

1120552521 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

1120552521 is a deficient number, since it is larger than the sum of its proper divisors (548004279).

1120552521 is a wasteful number, since it uses less digits than its factorization.

1120552521 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1789.

The product of its (nonzero) digits is 1000, while the sum is 24.

The square root of 1120552521 is about 33474.6549048680. The cubic root of 1120552521 is about 1038.6695638457.

The spelling of 1120552521 in words is "one billion, one hundred twenty million, five hundred fifty-two thousand, five hundred twenty-one".