1097171530 has 256 divisors, whose sum is σ = 2786918400. Its totient is φ = 301086720.

The previous prime is 1097171503. The next prime is 1097171567. The reversal of 1097171530 is 351717901.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 12327726 + ... + 12327814.

It is an arithmetic number, because the mean of its divisors is an integer number (10886400).

Almost surely, 2^1097171530 is an apocalyptic number.

1097171530 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1097171530 is an abundant number, since it is smaller than the sum of its proper divisors (1689746870).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1097171530 is a wasteful number, since it uses less digits than its factorization.

1097171530 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 189.

The product of its (nonzero) digits is 6615, while the sum is 34.

The square root of 1097171530 is about 33123.5796676627. The cubic root of 1097171530 is about 1031.3945762162.

The spelling of 1097171530 in words is "one billion, ninety-seven million, one hundred seventy-one thousand, five hundred thirty".