1125292122 has 32 divisors (see below), whose sum is σ = 2506176000. Its totient is φ = 374268384.

The previous prime is 1125292121. The next prime is 1125292127. The reversal of 1125292122 is 2212925211.

It is a happy number.

1125292122 is a `hidden beast` number, since 1 + 12 + 529 + 2 + 122 = 666.

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

It is not an unprimeable number, because it can be changed into a prime (1125292121) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1879 + ... + 47477.

It is an arithmetic number, because the mean of its divisors is an integer number (78318000).

Almost surely, 2^1125292122 is an apocalyptic number.

1125292122 is an abundant number, since it is smaller than the sum of its proper divisors (1380883878).

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

1125292122 is a wasteful number, since it uses less digits than its factorization.

1125292122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46067 (or 46061 counting only the distinct ones).

The product of its digits is 1440, while the sum is 27.

The square root of 1125292122 is about 33545.3740775088. The cubic root of 1125292122 is about 1040.1319242164.

The spelling of 1125292122 in words is "one billion, one hundred twenty-five million, two hundred ninety-two thousand, one hundred twenty-two".