1125535122 has 32 divisors (see below), whose sum is σ = 2507765760. Its totient is φ = 374191920.

The previous prime is 1125535109. The next prime is 1125535139. The reversal of 1125535122 is 2215355211.

1125535122 is a `hidden beast` number, since 1 + 1 + 2 + 5 + 535 + 122 = 666.

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

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 6529 + ... + 47892.

It is an arithmetic number, because the mean of its divisors is an integer number (78367680).

Almost surely, 2^1125535122 is an apocalyptic number.

1125535122 is an abundant number, since it is smaller than the sum of its proper divisors (1382230638).

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

1125535122 is a wasteful number, since it uses less digits than its factorization.

1125535122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54815 (or 54809 counting only the distinct ones).

The product of its digits is 3000, while the sum is 27.

The square root of 1125535122 is about 33548.9958419026. The cubic root of 1125535122 is about 1040.2067888852.

The spelling of 1125535122 in words is "one billion, one hundred twenty-five million, five hundred thirty-five thousand, one hundred twenty-two".