1244774421 has 48 divisors (see below), whose sum is σ = 2052490752. Its totient is φ = 719584800.

The previous prime is 1244774393. The next prime is 1244774423.

1244774421 is a `hidden beast` number, since 124 + 47 + 74 + 421 = 666.

1244774421 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 1244774421 - 2⁹ = 1244773909 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1244774423) 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 47 ways as a sum of consecutive naturals, for example, 1281466 + ... + 1282436.

It is an arithmetic number, because the mean of its divisors is an integer number (42760224).

Almost surely, 2^1244774421 is an apocalyptic number.

1244774421 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

1244774421 is a deficient number, since it is larger than the sum of its proper divisors (807716331).

1244774421 is a wasteful number, since it uses less digits than its factorization.

1244774421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1574 (or 1571 counting only the distinct ones).

The product of its digits is 50176, while the sum is 36.

The square root of 1244774421 is about 35281.3608155921. The cubic root of 1244774421 is about 1075.7141592386.

It can be divided in two parts, 12447 and 74421, that added together give a palindrome (86868).

The spelling of 1244774421 in words is "one billion, two hundred forty-four million, seven hundred seventy-four thousand, four hundred twenty-one".