1299505058 has 32 divisors (see below), whose sum is σ = 2138669568. Its totient is φ = 589536000.

The previous prime is 1299504979. The next prime is 1299505079. The reversal of 1299505058 is 8505059921.

It is a Smith number, since the sum of its digits (44) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 289733 + ... + 294183.

It is an arithmetic number, because the mean of its divisors is an integer number (66833424).

Almost surely, 2^1299505058 is an apocalyptic number.

1299505058 is a deficient number, since it is larger than the sum of its proper divisors (839164510).

1299505058 is a wasteful number, since it uses less digits than its factorization.

1299505058 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4778.

The product of its (nonzero) digits is 162000, while the sum is 44.

The square root of 1299505058 is about 36048.6484906161. The cubic root of 1299505058 is about 1091.2543587679.

The spelling of 1299505058 in words is "one billion, two hundred ninety-nine million, five hundred five thousand, fifty-eight".