1298019050 has 24 divisors (see below), whose sum is σ = 2415396000. Its totient is φ = 518975280.

The previous prime is 1298019049. The next prime is 1298019077. The reversal of 1298019050 is 509108921.

It is a self number, because there is not a number n which added to its sum of digits gives 1298019050.

It is an unprimeable number.

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 11 ways as a sum of consecutive naturals, for example, 146651 + ... + 155249.

It is an arithmetic number, because the mean of its divisors is an integer number (100641500).

Almost surely, 2^1298019050 is an apocalyptic number.

1298019050 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1298019050 is a deficient number, since it is larger than the sum of its proper divisors (1117376950).

1298019050 is a wasteful number, since it uses less digits than its factorization.

1298019050 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11630 (or 11625 counting only the distinct ones).

The product of its (nonzero) digits is 6480, while the sum is 35.

The square root of 1298019050 is about 36028.0314477491. The cubic root of 1298019050 is about 1090.8382436208.

The spelling of 1298019050 in words is "one billion, two hundred ninety-eight million, nineteen thousand, fifty".