1324242972 has 96 divisors (see below), whose sum is σ = 3705058560. Its totient is φ = 406607040.

The previous prime is 1324242949. The next prime is 1324242973. The reversal of 1324242972 is 2792424231.

It is a happy number.

1324242972 is a `hidden beast` number, since 1 + 324 + 242 + 97 + 2 = 666.

1324242972 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1324242973) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1138063 + ... + 1139225.

It is an arithmetic number, because the mean of its divisors is an integer number (38594360).

Almost surely, 2^1324242972 is an apocalyptic number.

1324242972 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 1324242972, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1852529280).

1324242972 is an abundant number, since it is smaller than the sum of its proper divisors (2380815588).

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

1324242972 is a wasteful number, since it uses less digits than its factorization.

1324242972 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2000 (or 1992 counting only the distinct ones).

The product of its digits is 48384, while the sum is 36.

The square root of 1324242972 is about 36390.1493813917. The cubic root of 1324242972 is about 1098.1354009020.

The spelling of 1324242972 in words is "one billion, three hundred twenty-four million, two hundred forty-two thousand, nine hundred seventy-two".