1147272485 has 4 divisors (see below), whose sum is σ = 1376726988. Its totient is φ = 917817984.

The previous prime is 1147272479. The next prime is 1147272517. The reversal of 1147272485 is 5842727411.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 610238209 + 537034276 = 24703^2 + 23174^2 .

It is a cyclic number.

It is not a de Polignac number, because 1147272485 - 2¹² = 1147268389 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 114727244 + ... + 114727253.

It is an arithmetic number, because the mean of its divisors is an integer number (344181747).

Almost surely, 2^1147272485 is an apocalyptic number.

It is an amenable number.

1147272485 is a deficient number, since it is larger than the sum of its proper divisors (229454503).

1147272485 is an equidigital number, since it uses as much as digits as its factorization.

1147272485 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 229454502.

The product of its digits is 125440, while the sum is 41.

The square root of 1147272485 is about 33871.4110275908. The cubic root of 1147272485 is about 1046.8606108188.

Adding to 1147272485 its reverse (5842727411), we get a palindrome (6989999896).

The spelling of 1147272485 in words is "one billion, one hundred forty-seven million, two hundred seventy-two thousand, four hundred eighty-five".