1041599999 has 4 divisors (see below), whose sum is σ = 1136290920. Its totient is φ = 946909080.

The previous prime is 1041599981. The next prime is 1041600037. The reversal of 1041599999 is 9999951401.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 9999951401 = 11 ⋅909086491.

It is a cyclic number.

It is not a de Polignac number, because 1041599999 - 2¹⁶ = 1041534463 is a prime.

It is a Duffinian number.

1041599999 is a modest number, since divided by 99999 gives 10415 as remainder.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1041599929) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 47345444 + ... + 47345465.

It is an arithmetic number, because the mean of its divisors is an integer number (284072730).

Almost surely, 2^1041599999 is an apocalyptic number.

1041599999 is a deficient number, since it is larger than the sum of its proper divisors (94690921).

1041599999 is an equidigital number, since it uses as much as digits as its factorization.

1041599999 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 94690920.

The product of its (nonzero) digits is 1180980, while the sum is 56.

The square root of 1041599999 is about 32273.8283908185. The cubic root of 1041599999 is about 1013.6787062027.

The spelling of 1041599999 in words is "one billion, forty-one million, five hundred ninety-nine thousand, nine hundred ninety-nine".