1299889355 has 16 divisors (see below), whose sum is σ = 1611667200. Its totient is φ = 1005848928.

The previous prime is 1299889267. The next prime is 1299889369. The reversal of 1299889355 is 5539889921.

It is a cyclic number.

It is not a de Polignac number, because 1299889355 - 2¹⁸ = 1299627211 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1299889294 and 1299889303.

It is an unprimeable number.

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, 7205 + ... + 51494.

It is an arithmetic number, because the mean of its divisors is an integer number (100729200).

Almost surely, 2^1299889355 is an apocalyptic number.

1299889355 is a deficient number, since it is larger than the sum of its proper divisors (311777845).

1299889355 is a wasteful number, since it uses less digits than its factorization.

1299889355 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 58850.

The product of its digits is 6998400, while the sum is 59.

The square root of 1299889355 is about 36053.9783519101. The cubic root of 1299889355 is about 1091.3619188068.

The spelling of 1299889355 in words is "one billion, two hundred ninety-nine million, eight hundred eighty-nine thousand, three hundred fifty-five".