1244431004 has 6 divisors (see below), whose sum is σ = 2177754264. Its totient is φ = 622215500.

The previous prime is 1244431003. The next prime is 1244431033. The reversal of 1244431004 is 4001344421.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1244431003) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 155553872 + ... + 155553879.

It is an arithmetic number, because the mean of its divisors is an integer number (362959044).

Almost surely, 2^1244431004 is an apocalyptic number.

It is an amenable number.

1244431004 is a deficient number, since it is larger than the sum of its proper divisors (933323260).

1244431004 is a wasteful number, since it uses less digits than its factorization.

1244431004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 311107755 (or 311107753 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 23.

The square root of 1244431004 is about 35276.4936466197. The cubic root of 1244431004 is about 1075.6152249790.

Adding to 1244431004 its reverse (4001344421), we get a palindrome (5245775425).

The spelling of 1244431004 in words is "one billion, two hundred forty-four million, four hundred thirty-one thousand, four".