1197755461 has 12 divisors (see below), whose sum is σ = 1400613120. Its totient is φ = 1021264440.

The previous prime is 1197755443. The next prime is 1197755501. The reversal of 1197755461 is 1645577911.

It is not a de Polignac number, because 1197755461 - 2¹³ = 1197747269 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 (1197755761) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 54631 + ... + 73348.

It is an arithmetic number, because the mean of its divisors is an integer number (116717760).

Almost surely, 2^1197755461 is an apocalyptic number.

It is an amenable number.

1197755461 is a deficient number, since it is larger than the sum of its proper divisors (202857659).

1197755461 is a wasteful number, since it uses less digits than its factorization.

1197755461 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 128184 (or 128177 counting only the distinct ones).

The product of its digits is 264600, while the sum is 46.

The square root of 1197755461 is about 34608.6038580004. The cubic root of 1197755461 is about 1061.9956060526.

The spelling of 1197755461 in words is "one billion, one hundred ninety-seven million, seven hundred fifty-five thousand, four hundred sixty-one".