1299419080 has 32 divisors (see below), whose sum is σ = 2925699840. Its totient is φ = 519410880.

The previous prime is 1299419071. The next prime is 1299419087. The reversal of 1299419080 is 809149921.

It is a happy number.

It is a Smith number, since the sum of its digits (43) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (1299419087) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 52315 + ... + 73045.

It is an arithmetic number, because the mean of its divisors is an integer number (91428120).

Almost surely, 2^1299419080 is an apocalyptic number.

1299419080 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1299419080 is an abundant number, since it is smaller than the sum of its proper divisors (1626280760).

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

1299419080 is a wasteful number, since it uses less digits than its factorization.

1299419080 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22309 (or 22305 counting only the distinct ones).

The product of its (nonzero) digits is 46656, while the sum is 43.

The square root of 1299419080 is about 36047.4559435198. The cubic root of 1299419080 is about 1091.2302916725.

The spelling of 1299419080 in words is "one billion, two hundred ninety-nine million, four hundred nineteen thousand, eighty".