1112550421 has 4 divisors (see below), whose sum is σ = 1113493644. Its totient is φ = 1111607200.

The previous prime is 1112550409. The next prime is 1112550487. The reversal of 1112550421 is 1240552111.

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 1042644100 + 69906321 = 32290^2 + 8361^2 .

It is a cyclic number.

It is not a de Polignac number, because 1112550421 - 2²¹ = 1110453269 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1112550392 and 1112550401.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1112550821) 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, 469840 + ... + 472201.

It is an arithmetic number, because the mean of its divisors is an integer number (278373411).

Almost surely, 2^1112550421 is an apocalyptic number.

It is an amenable number.

1112550421 is a deficient number, since it is larger than the sum of its proper divisors (943223).

1112550421 is an equidigital number, since it uses as much as digits as its factorization.

1112550421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 943222.

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

The square root of 1112550421 is about 33354.9159944977. The cubic root of 1112550421 is about 1036.1912027279.

The spelling of 1112550421 in words is "one billion, one hundred twelve million, five hundred fifty thousand, four hundred twenty-one".