1244121204 has 48 divisors (see below), whose sum is σ = 2940808640. Its totient is φ = 409328640.

The previous prime is 1244121187. The next prime is 1244121209. The reversal of 1244121204 is 4021214421.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1244121209) 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, 368484 + ... + 371844.

Almost surely, 2^1244121204 is an apocalyptic number.

It is an amenable number.

1244121204 is an abundant number, since it is smaller than the sum of its proper divisors (1696687436).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1244121204 is a wasteful number, since it uses less digits than its factorization.

1244121204 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3760 (or 3758 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 21.

The square root of 1244121204 is about 35272.1023473226. The cubic root of 1244121204 is about 1075.5259597508.

Adding to 1244121204 its reverse (4021214421), we get a palindrome (5265335625).

The spelling of 1244121204 in words is "one billion, two hundred forty-four million, one hundred twenty-one thousand, two hundred four".