1299182948 has 48 divisors (see below), whose sum is σ = 2692435200. Its totient is φ = 536699520.

The previous prime is 1299182947. The next prime is 1299182957. The reversal of 1299182948 is 8492819921.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 1299182948.

It is not an unprimeable number, because it can be changed into a prime (1299182947) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 745358 + ... + 747098.

It is an arithmetic number, because the mean of its divisors is an integer number (56092400).

Almost surely, 2^1299182948 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 1299182948, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1346217600).

1299182948 is an abundant number, since it is smaller than the sum of its proper divisors (1393252252).

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

1299182948 is a wasteful number, since it uses less digits than its factorization.

1299182948 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2700 (or 2698 counting only the distinct ones).

The product of its digits is 746496, while the sum is 53.

The square root of 1299182948 is about 36044.1805011572. The cubic root of 1299182948 is about 1091.1641877739.

The spelling of 1299182948 in words is "one billion, two hundred ninety-nine million, one hundred eighty-two thousand, nine hundred forty-eight".