1121452236245 has 16 divisors (see below), whose sum is σ = 1468506621888. Its totient is φ = 815366240640.

The previous prime is 1121452236211. The next prime is 1121452236257. The reversal of 1121452236245 is 5426322541211.

It is not a de Polignac number, because 1121452236245 - 2¹² = 1121452232149 is a prime.

It is a super-2 number, since 2×1121452236245² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 1121452236199 and 1121452236208.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2749904 + ... + 3131273.

It is an arithmetic number, because the mean of its divisors is an integer number (91781663868).

Almost surely, 2^{1121452236245} is an apocalyptic number.

It is an amenable number.

1121452236245 is a deficient number, since it is larger than the sum of its proper divisors (347054385643).

1121452236245 is a wasteful number, since it uses less digits than its factorization.

1121452236245 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5884660.

The product of its digits is 115200, while the sum is 38.

Adding to 1121452236245 its reverse (5426322541211), we get a palindrome (6547774777456).

The spelling of 1121452236245 in words is "one trillion, one hundred twenty-one billion, four hundred fifty-two million, two hundred thirty-six thousand, two hundred forty-five".