1173061489 has 8 divisors (see below), whose sum is σ = 1245109320. Its totient is φ = 1101351936.

The previous prime is 1173061481. The next prime is 1173061499. The reversal of 1173061489 is 9841603711.

It can be written as a sum of positive squares in 4 ways, for example, as 539029089 + 634032400 = 23217^2 + 25180^2 .

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

It is not a de Polignac number, because 1173061489 - 2³ = 1173061481 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1173061481) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 77404 + ... + 91309.

It is an arithmetic number, because the mean of its divisors is an integer number (155638665).

Almost surely, 2^1173061489 is an apocalyptic number.

It is an amenable number.

1173061489 is a deficient number, since it is larger than the sum of its proper divisors (72047831).

1173061489 is a wasteful number, since it uses less digits than its factorization.

1173061489 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 169139.

The product of its (nonzero) digits is 36288, while the sum is 40.

The square root of 1173061489 is about 34249.9852408727. The cubic root of 1173061489 is about 1054.6465244397.

The spelling of 1173061489 in words is "one billion, one hundred seventy-three million, sixty-one thousand, four hundred eighty-nine".