129463572 has 48 divisors (see below), whose sum is σ = 348817280. Its totient is φ = 36605952.

The previous prime is 129463571. The next prime is 129463637. The reversal of 129463572 is 275364921.

It is a self number, because there is not a number n which added to its sum of digits gives 129463572.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (129463571) 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, 204 + ... + 16092.

Almost surely, 2^129463572 is an apocalyptic number.

129463572 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 129463572, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (174408640).

129463572 is an abundant number, since it is smaller than the sum of its proper divisors (219353708).

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

129463572 is a wasteful number, since it uses less digits than its factorization.

129463572 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16000 (or 15998 counting only the distinct ones).

The product of its digits is 90720, while the sum is 39.

The square root of 129463572 is about 11378.2060097363. The cubic root of 129463572 is about 505.8819630205.

The spelling of 129463572 in words is "one hundred twenty-nine million, four hundred sixty-three thousand, five hundred seventy-two".