1244014641 has 6 divisors (see below), whose sum is σ = 1796910050. Its totient is φ = 829343088.

The previous prime is 1244014637. The next prime is 1244014649. The reversal of 1244014641 is 1464104421.

1244014641 is a `hidden beast` number, since 1 + 2 + 4 + 4 + 0 + 14 + 641 = 666.

It can be written as a sum of positive squares in only one way, i.e., 1142710416 + 101304225 = 33804^2 + 10065^2 .

It is not a de Polignac number, because 1244014641 - 2² = 1244014637 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1244014649) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 69111916 + ... + 69111933.

Almost surely, 2^1244014641 is an apocalyptic number.

It is an amenable number.

1244014641 is a deficient number, since it is larger than the sum of its proper divisors (552895409).

1244014641 is a wasteful number, since it uses less digits than its factorization.

1244014641 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 138223855 (or 138223852 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 27.

The square root of 1244014641 is about 35270.5917302219. The cubic root of 1244014641 is about 1075.4952514498.

The spelling of 1244014641 in words is "one billion, two hundred forty-four million, fourteen thousand, six hundred forty-one".