1125563422 has 4 divisors (see below), whose sum is σ = 1688345136. Its totient is φ = 562781710.

The previous prime is 1125563419. The next prime is 1125563423. The reversal of 1125563422 is 2243655211.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 2243655211 = 7 ⋅320522173.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1125563423) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 281390854 + ... + 281390857.

It is an arithmetic number, because the mean of its divisors is an integer number (422086284).

Almost surely, 2^1125563422 is an apocalyptic number.

1125563422 is a deficient number, since it is larger than the sum of its proper divisors (562781714).

1125563422 is an equidigital number, since it uses as much as digits as its factorization.

1125563422 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 562781713.

The product of its digits is 14400, while the sum is 31.

The square root of 1125563422 is about 33549.4176104444. The cubic root of 1125563422 is about 1040.2155069918.

The spelling of 1125563422 in words is "one billion, one hundred twenty-five million, five hundred sixty-three thousand, four hundred twenty-two".