1124732491008 has 144 divisors (see below), whose sum is σ = 3425211578880. Its totient is φ = 320962295808.

The previous prime is 1124732491007. The next prime is 1124732491013. The reversal of 1124732491008 is 8001942374211.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1124732491007) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4319463 + ... + 4572441.

It is an arithmetic number, because the mean of its divisors is an integer number (23786191520).

Almost surely, 2^{1124732491008} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1124732491008, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1712605789440).

1124732491008 is an abundant number, since it is smaller than the sum of its proper divisors (2300479087872).

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

1124732491008 is an equidigital number, since it uses as much as digits as its factorization.

1124732491008 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 253832 (or 253818 counting only the distinct ones).

The product of its (nonzero) digits is 96768, while the sum is 42.

The spelling of 1124732491008 in words is "one trillion, one hundred twenty-four billion, seven hundred thirty-two million, four hundred ninety-one thousand, eight".