1004122113 has 4 divisors (see below), whose sum is σ = 1338829488. Its totient is φ = 669414740.

The previous prime is 1004122073. The next prime is 1004122117. The reversal of 1004122113 is 3112214001.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 1004122113 - 2²⁰ = 1003073537 is a prime.

It is a super-2 number, since 2×1004122113² = 2016522435631169538, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1004122092 and 1004122101.

It is not an unprimeable number, because it can be changed into a prime (1004122117) 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, 167353683 + ... + 167353688.

It is an arithmetic number, because the mean of its divisors is an integer number (334707372).

Almost surely, 2^1004122113 is an apocalyptic number.

It is an amenable number.

1004122113 is a deficient number, since it is larger than the sum of its proper divisors (334707375).

1004122113 is an equidigital number, since it uses as much as digits as its factorization.

1004122113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 334707374.

The product of its (nonzero) digits is 48, while the sum is 15.

The square root of 1004122113 is about 31687.8859029756. The cubic root of 1004122113 is about 1001.3721539989.

Adding to 1004122113 its reverse (3112214001), we get a palindrome (4116336114).

The spelling of 1004122113 in words is "one billion, four million, one hundred twenty-two thousand, one hundred thirteen".