1237988484 has 72 divisors (see below), whose sum is σ = 3329490528. Its totient is φ = 386507520.

The previous prime is 1237988483. The next prime is 1237988497. The reversal of 1237988484 is 4848897321.

It is a happy number.

1237988484 is a `hidden beast` number, since 12 + 3 + 79 + 88 + 484 = 666.

It is a self number, because there is not a number n which added to its sum of digits gives 1237988484.

It is not an unprimeable number, because it can be changed into a prime (1237988483) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 124339 + ... + 133925.

It is an arithmetic number, because the mean of its divisors is an integer number (46242924).

Almost surely, 2^1237988484 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1237988484, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1664745264).

1237988484 is an abundant number, since it is smaller than the sum of its proper divisors (2091502044).

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

1237988484 is a wasteful number, since it uses less digits than its factorization.

1237988484 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9825 (or 9820 counting only the distinct ones).

The product of its digits is 3096576, while the sum is 54.

The square root of 1237988484 is about 35185.0605228981. The cubic root of 1237988484 is about 1073.7558301813.

The spelling of 1237988484 in words is "one billion, two hundred thirty-seven million, nine hundred eighty-eight thousand, four hundred eighty-four".