1197041085 has 24 divisors (see below), whose sum is σ = 2151720480. Its totient is φ = 638421264.

The previous prime is 1197041051. The next prime is 1197041107. The reversal of 1197041085 is 5801407911.

It is not a de Polignac number, because 1197041085 - 2⁸ = 1197040829 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 491395 + ... + 493824.

It is an arithmetic number, because the mean of its divisors is an integer number (89655020).

Almost surely, 2^1197041085 is an apocalyptic number.

1197041085 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1197041085 is a deficient number, since it is larger than the sum of its proper divisors (954679395).

1197041085 is an frugal number, since it uses more digits than its factorization.

1197041085 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 985239 (or 985227 counting only the distinct ones).

The product of its (nonzero) digits is 10080, while the sum is 36.

The square root of 1197041085 is about 34598.2815324692. The cubic root of 1197041085 is about 1061.7844290978.

Adding to 1197041085 its reverse (5801407911), we get a palindrome (6998448996).

The spelling of 1197041085 in words is "one billion, one hundred ninety-seven million, forty-one thousand, eighty-five".