1122507865001 has 4 divisors (see below), whose sum is σ = 1122529046100. Its totient is φ = 1122486683904.

The previous prime is 1122507864979. The next prime is 1122507865013. The reversal of 1122507865001 is 1005687052211.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 968295360400 + 154212504601 = 984020^2 + 392699^2 .

It is a cyclic number.

It is not a de Polignac number, because 1122507865001 - 2¹⁰ = 1122507863977 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1122507862001) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10510856 + ... + 10617113.

It is an arithmetic number, because the mean of its divisors is an integer number (280632261525).

Almost surely, 2^{1122507865001} is an apocalyptic number.

It is an amenable number.

1122507865001 is a deficient number, since it is larger than the sum of its proper divisors (21181099).

1122507865001 is an equidigital number, since it uses as much as digits as its factorization.

1122507865001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21181098.

The product of its (nonzero) digits is 33600, while the sum is 38.

The spelling of 1122507865001 in words is "one trillion, one hundred twenty-two billion, five hundred seven million, eight hundred sixty-five thousand, one".