1125650022 has 128 divisors (see below), whose sum is σ = 2831155200. Its totient is φ = 291102336.

The previous prime is 1125649981. The next prime is 1125650033. The reversal of 1125650022 is 2200565211.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 1125649974 and 1125650001.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 2938843 + ... + 2939225.

It is an arithmetic number, because the mean of its divisors is an integer number (22118400).

Almost surely, 2^1125650022 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1125650022, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1415577600).

1125650022 is an abundant number, since it is smaller than the sum of its proper divisors (1705505178).

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

1125650022 is a wasteful number, since it uses less digits than its factorization.

1125650022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 570.

The product of its (nonzero) digits is 1200, while the sum is 24.

The square root of 1125650022 is about 33550.7082190525. The cubic root of 1125650022 is about 1040.2421841063.

The spelling of 1125650022 in words is "one billion, one hundred twenty-five million, six hundred fifty thousand, twenty-two".