1180455497 has 8 divisors (see below), whose sum is σ = 1273198080. Its totient is φ = 1087989840.

The previous prime is 1180455481. The next prime is 1180455509. The reversal of 1180455497 is 7945540811.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1180455497 - 2⁴ = 1180455481 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1180455457) 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 7 ways as a sum of consecutive naturals, for example, 60329 + ... + 77462.

It is an arithmetic number, because the mean of its divisors is an integer number (159149760).

Almost surely, 2^1180455497 is an apocalyptic number.

It is an amenable number.

1180455497 is a deficient number, since it is larger than the sum of its proper divisors (92742583).

1180455497 is a wasteful number, since it uses less digits than its factorization.

1180455497 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 138463.

The product of its (nonzero) digits is 201600, while the sum is 44.

The square root of 1180455497 is about 34357.7574501014. The cubic root of 1180455497 is about 1056.8577577139.

The spelling of 1180455497 in words is "one billion, one hundred eighty million, four hundred fifty-five thousand, four hundred ninety-seven".