1125118632 has 128 divisors (see below), whose sum is σ = 3154176000. Its totient is φ = 331568640.

The previous prime is 1125118583. The next prime is 1125118637. The reversal of 1125118632 is 2368115211.

It is a self number, because there is not a number n which added to its sum of digits gives 1125118632.

It is not an unprimeable number, because it can be changed into a prime (1125118637) 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, 1522119 + ... + 1522857.

It is an arithmetic number, because the mean of its divisors is an integer number (24642000).

Almost surely, 2^1125118632 is an apocalyptic number.

1125118632 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1125118632, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1577088000).

1125118632 is an abundant number, since it is smaller than the sum of its proper divisors (2029057368).

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

1125118632 is a wasteful number, since it uses less digits than its factorization.

1125118632 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 911 (or 907 counting only the distinct ones).

The product of its digits is 2880, while the sum is 30.

The square root of 1125118632 is about 33542.7880773200. The cubic root of 1125118632 is about 1040.0784679453.

It can be divided in two parts, 1125118 and 632, that added together give a triangular number (1125750 = T₁₅₀₀).

The spelling of 1125118632 in words is "one billion, one hundred twenty-five million, one hundred eighteen thousand, six hundred thirty-two".