1125552522 has 16 divisors (see below), whose sum is σ = 2299001472. Its totient is φ = 367201440.

The previous prime is 1125552521. The next prime is 1125552559. The reversal of 1125552522 is 2252555211.

It is a self number, because there is not a number n which added to its sum of digits gives 1125552522.

It is not an unprimeable number, because it can be changed into a prime (1125552521) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1995379 + ... + 1995942.

It is an arithmetic number, because the mean of its divisors is an integer number (143687592).

Almost surely, 2^1125552522 is an apocalyptic number.

1125552522 is an abundant number, since it is smaller than the sum of its proper divisors (1173448950).

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

1125552522 is a wasteful number, since it uses less digits than its factorization.

1125552522 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3991373.

The product of its digits is 10000, while the sum is 30.

The square root of 1125552522 is about 33549.2551631180. The cubic root of 1125552522 is about 1040.2121491518.

The spelling of 1125552522 in words is "one billion, one hundred twenty-five million, five hundred fifty-two thousand, five hundred twenty-two".