1125345562 has 16 divisors (see below), whose sum is σ = 1847295072. Its totient is φ = 509903920.

The previous prime is 1125345553. The next prime is 1125345563. The reversal of 1125345562 is 2655435211.

It is not an unprimeable number, because it can be changed into a prime (1125345563) 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 7 ways as a sum of consecutive naturals, for example, 73708 + ... + 87655.

It is an arithmetic number, because the mean of its divisors is an integer number (115455942).

Almost surely, 2^1125345562 is an apocalyptic number.

1125345562 is a deficient number, since it is larger than the sum of its proper divisors (721949510).

1125345562 is a wasteful number, since it uses less digits than its factorization.

1125345562 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 161693.

The product of its digits is 36000, while the sum is 34.

The square root of 1125345562 is about 33546.1706011282. The cubic root of 1125345562 is about 1040.1483892062.

The spelling of 1125345562 in words is "one billion, one hundred twenty-five million, three hundred forty-five thousand, five hundred sixty-two".