1124732491009 has 8 divisors (see below), whose sum is σ = 1131544968840. Its totient is φ = 1117936982016.

The previous prime is 1124732491007. The next prime is 1124732491013. The reversal of 1124732491009 is 9001942374211.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 12852225 + 1124719638784 = 3585^2 + 1060528^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1124732491009 - 2¹ = 1124732491007 is a prime.

It is a Duffinian number.

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

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4109232 + ... + 4374385.

It is an arithmetic number, because the mean of its divisors is an integer number (141443121105).

Almost surely, 2^{1124732491009} is an apocalyptic number.

It is an amenable number.

1124732491009 is a deficient number, since it is larger than the sum of its proper divisors (6812477831).

1124732491009 is an equidigital number, since it uses as much as digits as its factorization.

1124732491009 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8484419.

The product of its (nonzero) digits is 108864, while the sum is 43.

The spelling of 1124732491009 in words is "one trillion, one hundred twenty-four billion, seven hundred thirty-two million, four hundred ninety-one thousand, nine".