1244066051 has 4 divisors (see below), whose sum is σ = 1246730472. Its totient is φ = 1241401632.

The previous prime is 1244066039. The next prime is 1244066093. The reversal of 1244066051 is 1506604421.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1244066051 - 2²² = 1239871747 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1244066011) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1331510 + ... + 1332443.

It is an arithmetic number, because the mean of its divisors is an integer number (311682618).

Almost surely, 2^1244066051 is an apocalyptic number.

1244066051 is a deficient number, since it is larger than the sum of its proper divisors (2664421).

1244066051 is an equidigital number, since it uses as much as digits as its factorization.

1244066051 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2664420.

The product of its (nonzero) digits is 5760, while the sum is 29.

The square root of 1244066051 is about 35271.3205168165. The cubic root of 1244066051 is about 1075.5100665083.

The spelling of 1244066051 in words is "one billion, two hundred forty-four million, sixty-six thousand, fifty-one".