1112055421 has 2 divisors, whose sum is σ = 1112055422. Its totient is φ = 1112055420.

The previous prime is 1112055383. The next prime is 1112055443. The reversal of 1112055421 is 1245502111.

It is an a-pointer prime, because the next prime (1112055443) can be obtained adding 1112055421 to its sum of digits (22).

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 828806521 + 283248900 = 28789^2 + 16830^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1112055421 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1112055392 and 1112055401.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1112755421) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 556027710 + 556027711.

It is an arithmetic number, because the mean of its divisors is an integer number (556027711).

Almost surely, 2^1112055421 is an apocalyptic number.

It is an amenable number.

1112055421 is a deficient number, since it is larger than the sum of its proper divisors (1).

1112055421 is an equidigital number, since it uses as much as digits as its factorization.

1112055421 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 400, while the sum is 22.

The square root of 1112055421 is about 33347.4949733859. The cubic root of 1112055421 is about 1036.0375046052.

Adding to 1112055421 its reverse (1245502111), we get a palindrome (2357557532).

The spelling of 1112055421 in words is "one billion, one hundred twelve million, fifty-five thousand, four hundred twenty-one".