1128599479 has 8 divisors (see below), whose sum is σ = 1290038688. Its totient is φ = 967212960.

The previous prime is 1128599473. The next prime is 1128599503. The reversal of 1128599479 is 9749958211.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1128599479 - 2⁹ = 1128598967 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1128599473) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 59409 + ... + 76069.

It is an arithmetic number, because the mean of its divisors is an integer number (161254836).

Almost surely, 2^1128599479 is an apocalyptic number.

1128599479 is a deficient number, since it is larger than the sum of its proper divisors (161439209).

1128599479 is an equidigital number, since it uses as much as digits as its factorization.

1128599479 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26345.

The product of its digits is 1632960, while the sum is 55.

The square root of 1128599479 is about 33594.6346757931. The cubic root of 1128599479 is about 1041.1499481175.

The spelling of 1128599479 in words is "one billion, one hundred twenty-eight million, five hundred ninety-nine thousand, four hundred seventy-nine".