1229875472 has 80 divisors (see below), whose sum is σ = 3035341440. Its totient is φ = 469960704.

The previous prime is 1229875459. The next prime is 1229875487. The reversal of 1229875472 is 2745789221.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 19178 + ... + 53174.

It is an arithmetic number, because the mean of its divisors is an integer number (37941768).

Almost surely, 2^1229875472 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 1229875472, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1517670720).

1229875472 is an abundant number, since it is smaller than the sum of its proper divisors (1805465968).

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

1229875472 is a wasteful number, since it uses less digits than its factorization.

1229875472 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34048 (or 34042 counting only the distinct ones).

The product of its digits is 564480, while the sum is 47.

The square root of 1229875472 is about 35069.5804366120. The cubic root of 1229875472 is about 1071.4051100861.

The spelling of 1229875472 in words is "one billion, two hundred twenty-nine million, eight hundred seventy-five thousand, four hundred seventy-two".