1125464736 has 192 divisors, whose sum is σ = 3464487936. Its totient is φ = 316108800.

The previous prime is 1125464723. The next prime is 1125464737. The reversal of 1125464736 is 6374645211.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 1125464694 and 1125464703.

It is not an unprimeable number, because it can be changed into a prime (1125464737) 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, 1274151 + ... + 1275033.

It is an arithmetic number, because the mean of its divisors is an integer number (18044208).

Almost surely, 2^1125464736 is an apocalyptic number.

1125464736 is a gapful number since it is divisible by the number (16) 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 1125464736, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1732243968).

1125464736 is an abundant number, since it is smaller than the sum of its proper divisors (2339023200).

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

1125464736 is a wasteful number, since it uses less digits than its factorization.

1125464736 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 995 (or 987 counting only the distinct ones).

The product of its digits is 120960, while the sum is 39.

The square root of 1125464736 is about 33547.9468224212. The cubic root of 1125464736 is about 1040.1851051190.

The spelling of 1125464736 in words is "one billion, one hundred twenty-five million, four hundred sixty-four thousand, seven hundred thirty-six".