1130404421 has 2 divisors, whose sum is σ = 1130404422. Its totient is φ = 1130404420.

The previous prime is 1130404361. The next prime is 1130404441. The reversal of 1130404421 is 1244040311.

It is an a-pointer prime, because the next prime (1130404441) can be obtained adding 1130404421 to its sum of digits (20).

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 870840100 + 259564321 = 29510^2 + 16111^2 .

It is a cyclic number.

It is not a de Polignac number, because 1130404421 - 2¹⁴ = 1130388037 is a prime.

It is a super-3 number, since 3×1130404421³ (a number of 28 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1130404393 and 1130404402.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1130404441) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 565202210 + 565202211.

It is an arithmetic number, because the mean of its divisors is an integer number (565202211).

Almost surely, 2^1130404421 is an apocalyptic number.

It is an amenable number.

1130404421 is a deficient number, since it is larger than the sum of its proper divisors (1).

1130404421 is an equidigital number, since it uses as much as digits as its factorization.

1130404421 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 384, while the sum is 20.

The square root of 1130404421 is about 33621.4874894018. The cubic root of 1130404421 is about 1041.7046811883.

Adding to 1130404421 its reverse (1244040311), we get a palindrome (2374444732).

The spelling of 1130404421 in words is "one billion, one hundred thirty million, four hundred four thousand, four hundred twenty-one".