1162728659 has 4 divisors (see below), whose sum is σ = 1165240416. Its totient is φ = 1160216904.

The previous prime is 1162728647. The next prime is 1162728673. The reversal of 1162728659 is 9568272611.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 9568272611 = 541 ⋅17686271.

It is a cyclic number.

It is not a de Polignac number, because 1162728659 - 2²⁸ = 894293203 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1162727659) 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, 1255184 + ... + 1256109.

It is an arithmetic number, because the mean of its divisors is an integer number (291310104).

Almost surely, 2^1162728659 is an apocalyptic number.

1162728659 is a deficient number, since it is larger than the sum of its proper divisors (2511757).

1162728659 is an equidigital number, since it uses as much as digits as its factorization.

1162728659 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2511756.

The product of its digits is 362880, while the sum is 47.

The square root of 1162728659 is about 34098.8072958571. The cubic root of 1162728659 is about 1051.5407942839.

The spelling of 1162728659 in words is "one billion, one hundred sixty-two million, seven hundred twenty-eight thousand, six hundred fifty-nine".