1122413 has 4 divisors (see below), whose sum is σ = 1133628. Its totient is φ = 1111200.

The previous prime is 1122397. The next prime is 1122419. The reversal of 1122413 is 3142211.

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 487204 + 635209 = 698^2 + 797^2 .

It is a cyclic number.

It is not a de Polignac number, because 1122413 - 2⁴ = 1122397 is a prime.

It is a super-4 number, since 4×1122413⁴ (a number of 25 digits) contains 4444 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1122419) 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, 5456 + ... + 5657.

It is an arithmetic number, because the mean of its divisors is an integer number (283407).

2^1122413 is an apocalyptic number.

It is an amenable number.

1122413 is a deficient number, since it is larger than the sum of its proper divisors (11215).

1122413 is a wasteful number, since it uses less digits than its factorization.

1122413 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11214.

The product of its digits is 48, while the sum is 14.

The square root of 1122413 is about 1059.4399463868. The cubic root of 1122413 is about 103.9244088282.

Adding to 1122413 its reverse (3142211), we get a palindrome (4264624).

The spelling of 1122413 in words is "one million, one hundred twenty-two thousand, four hundred thirteen".