1125122022 has 64 divisors (see below), whose sum is σ = 2563545600. Its totient is φ = 365666400.

The previous prime is 1125121997. The next prime is 1125122023. The reversal of 1125122022 is 2202215211.

1125122022 is a `hidden beast` number, since 112 + 512 + 20 + 22 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 1125121986 and 1125122004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1125122023) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 363879 + ... + 366957.

It is an arithmetic number, because the mean of its divisors is an integer number (40055400).

Almost surely, 2^1125122022 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1125122022, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1281772800).

1125122022 is an abundant number, since it is smaller than the sum of its proper divisors (1438423578).

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

1125122022 is a wasteful number, since it uses less digits than its factorization.

1125122022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3258 (or 3252 counting only the distinct ones).

The product of its (nonzero) digits is 160, while the sum is 18.

The square root of 1125122022 is about 33542.8386097539. The cubic root of 1125122022 is about 1040.0795125352.

Adding to 1125122022 its reverse (2202215211), we get a palindrome (3327337233).

The spelling of 1125122022 in words is "one billion, one hundred twenty-five million, one hundred twenty-two thousand, twenty-two".