1244949028 has 24 divisors (see below), whose sum is σ = 2207399544. Its totient is φ = 614304000.

The previous prime is 1244949023. The next prime is 1244949047. The reversal of 1244949028 is 8209494421.

It can be written as a sum of positive squares in 4 ways, for example, as 12096484 + 1232852544 = 3478^2 + 35112^2 .

It is a super-3 number, since 3×1244949028³ (a number of 28 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (1244949023) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 123208 + ... + 132928.

It is an arithmetic number, because the mean of its divisors is an integer number (91974981).

Almost surely, 2^1244949028 is an apocalyptic number.

It is an amenable number.

1244949028 is a deficient number, since it is larger than the sum of its proper divisors (962450516).

1244949028 is a wasteful number, since it uses less digits than its factorization.

1244949028 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10143 (or 10141 counting only the distinct ones).

The product of its (nonzero) digits is 165888, while the sum is 43.

The square root of 1244949028 is about 35283.8352223791. The cubic root of 1244949028 is about 1075.7644544132.

The spelling of 1244949028 in words is "one billion, two hundred forty-four million, nine hundred forty-nine thousand, twenty-eight".