1122012413 has 4 divisors (see below), whose sum is σ = 1122612060. Its totient is φ = 1121412768.

The previous prime is 1122012401. The next prime is 1122012421. The reversal of 1122012413 is 3142102211.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3142102211 = 14869 ⋅211319.

It can be written as a sum of positive squares in 2 ways, for example, as 887861209 + 234151204 = 29797^2 + 15302^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1122012413 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1122012391 and 1122012400.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1122012113) 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, 297008 + ... + 300761.

It is an arithmetic number, because the mean of its divisors is an integer number (280653015).

Almost surely, 2^1122012413 is an apocalyptic number.

It is an amenable number.

1122012413 is a deficient number, since it is larger than the sum of its proper divisors (599647).

1122012413 is an equidigital number, since it uses as much as digits as its factorization.

1122012413 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 599646.

The product of its (nonzero) digits is 96, while the sum is 17.

The square root of 1122012413 is about 33496.4537376720. The cubic root of 1122012413 is about 1039.1204388442.

Adding to 1122012413 its reverse (3142102211), we get a palindrome (4264114624).

The spelling of 1122012413 in words is "one billion, one hundred twenty-two million, twelve thousand, four hundred thirteen".