1104012421 has 2 divisors, whose sum is σ = 1104012422. Its totient is φ = 1104012420.

The previous prime is 1104012407. The next prime is 1104012431. The reversal of 1104012421 is 1242104011.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1009650625 + 94361796 = 31775^2 + 9714^2 .

It is an emirp because it is prime and its reverse (1242104011) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1104012421 - 2⁵ = 1104012389 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1104012395 and 1104012404.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1104012431) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 552006210 + 552006211.

It is an arithmetic number, because the mean of its divisors is an integer number (552006211).

Almost surely, 2^1104012421 is an apocalyptic number.

It is an amenable number.

1104012421 is a deficient number, since it is larger than the sum of its proper divisors (1).

1104012421 is an equidigital number, since it uses as much as digits as its factorization.

1104012421 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 64, while the sum is 16.

The square root of 1104012421 is about 33226.6823652317. The cubic root of 1104012421 is about 1033.5337265072.

Adding to 1104012421 its reverse (1242104011), we get a palindrome (2346116432).

The spelling of 1104012421 in words is "one billion, one hundred four million, twelve thousand, four hundred twenty-one".