1097159527 has 4 divisors (see below), whose sum is σ = 1097261640. Its totient is φ = 1097057416.

The previous prime is 1097159509. The next prime is 1097159551. The reversal of 1097159527 is 7259517901.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 7259517901 = 71 ⋅102246731.

It is a cyclic number.

It is not a de Polignac number, because 1097159527 - 2²⁷ = 962941799 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 (1097159627) 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, 32752 + ... + 57157.

It is an arithmetic number, because the mean of its divisors is an integer number (274315410).

Almost surely, 2^1097159527 is an apocalyptic number.

1097159527 is a deficient number, since it is larger than the sum of its proper divisors (102113).

1097159527 is an equidigital number, since it uses as much as digits as its factorization.

1097159527 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 102112.

The product of its (nonzero) digits is 198450, while the sum is 46.

The square root of 1097159527 is about 33123.3984820399. The cubic root of 1097159527 is about 1031.3908150680.

The spelling of 1097159527 in words is "one billion, ninety-seven million, one hundred fifty-nine thousand, five hundred twenty-seven".