1447129530 has 256 divisors, whose sum is σ = 4916920320. Its totient is φ = 294105600.

The previous prime is 1447129511. The next prime is 1447129531. The reversal of 1447129530 is 359217441.

It is not an unprimeable number, because it can be changed into a prime (1447129531) by changing a digit.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 976390 + ... + 977870.

It is an arithmetic number, because the mean of its divisors is an integer number (19206720).

Almost surely, 2^1447129530 is an apocalyptic number.

1447129530 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 1447129530, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2458460160).

1447129530 is an abundant number, since it is smaller than the sum of its proper divisors (3469790790).

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

1447129530 is a wasteful number, since it uses less digits than its factorization.

1447129530 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1562 (or 1556 counting only the distinct ones).

The product of its (nonzero) digits is 30240, while the sum is 36.

The square root of 1447129530 is about 38041.1557395408. The cubic root of 1447129530 is about 1131.1038186822.

The spelling of 1447129530 in words is "one billion, four hundred forty-seven million, one hundred twenty-nine thousand, five hundred thirty".