1125867122 has 4 divisors (see below), whose sum is σ = 1688800686. Its totient is φ = 562933560.

The previous prime is 1125867091. The next prime is 1125867131. The reversal of 1125867122 is 2217685211.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 851997721 + 273869401 = 29189^2 + 16549^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 281466779 + ... + 281466782.

Almost surely, 2^1125867122 is an apocalyptic number.

1125867122 is a deficient number, since it is larger than the sum of its proper divisors (562933564).

1125867122 is an equidigital number, since it uses as much as digits as its factorization.

1125867122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 562933563.

The product of its digits is 13440, while the sum is 35.

The square root of 1125867122 is about 33553.9434642189. The cubic root of 1125867122 is about 1040.3090557083.

The spelling of 1125867122 in words is "one billion, one hundred twenty-five million, eight hundred sixty-seven thousand, one hundred twenty-two".