1125242231022 has 128 divisors (see below), whose sum is σ = 3078693273600. Its totient is φ = 296660371968.

The previous prime is 1125242230999. The next prime is 1125242231033. The reversal of 1125242231022 is 2201322425211.

1125242231022 is a `hidden beast` number, since 1 + 12 + 524 + 2 + 23 + 102 + 2 = 666.

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

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, 14107638 + ... + 14187174.

It is an arithmetic number, because the mean of its divisors is an integer number (24052291200).

Almost surely, 2^{1125242231022} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1125242231022, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1539346636800).

1125242231022 is an abundant number, since it is smaller than the sum of its proper divisors (1953451042578).

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

1125242231022 is a wasteful number, since it uses less digits than its factorization.

1125242231022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 82447 (or 82441 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 27.

Adding to 1125242231022 its reverse (2201322425211), we get a palindrome (3326564656233).

The spelling of 1125242231022 in words is "one trillion, one hundred twenty-five billion, two hundred forty-two million, two hundred thirty-one thousand, twenty-two".