1244716671 has 16 divisors (see below), whose sum is σ = 1827112320. Its totient is φ = 747450720.

The previous prime is 1244716621. The next prime is 1244716703. The reversal of 1244716671 is 1766174421.

It is not a de Polignac number, because 1244716671 - 2¹¹ = 1244714623 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1244716601) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 169425 + ... + 176618.

It is an arithmetic number, because the mean of its divisors is an integer number (114194520).

Almost surely, 2^1244716671 is an apocalyptic number.

1244716671 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

1244716671 is a deficient number, since it is larger than the sum of its proper divisors (582395649).

1244716671 is a wasteful number, since it uses less digits than its factorization.

1244716671 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 346166.

The product of its digits is 56448, while the sum is 39.

The square root of 1244716671 is about 35280.5423852865. The cubic root of 1244716671 is about 1075.6975234390.

The spelling of 1244716671 in words is "one billion, two hundred forty-four million, seven hundred sixteen thousand, six hundred seventy-one".