1244555124 has 12 divisors (see below), whose sum is σ = 2903961984. Its totient is φ = 414851704.

The previous prime is 1244555101. The next prime is 1244555153. The reversal of 1244555124 is 4215554421.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 51856452 + ... + 51856475.

It is an arithmetic number, because the mean of its divisors is an integer number (241996832).

Almost surely, 2^1244555124 is an apocalyptic number.

It is an amenable number.

1244555124 is an abundant number, since it is smaller than the sum of its proper divisors (1659406860).

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

1244555124 is a wasteful number, since it uses less digits than its factorization.

1244555124 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 103712934 (or 103712932 counting only the distinct ones).

The product of its digits is 32000, while the sum is 33.

The square root of 1244555124 is about 35278.2528478948. The cubic root of 1244555124 is about 1075.6509845411.

The spelling of 1244555124 in words is "one billion, two hundred forty-four million, five hundred fifty-five thousand, one hundred twenty-four".