1147627481 has 48 divisors (see below), whose sum is σ = 1636806528. Its totient is φ = 789465600.

The previous prime is 1147627441. The next prime is 1147627487. The reversal of 1147627481 is 1847267411.

It is not a de Polignac number, because 1147627481 - 2²⁶ = 1080518617 is a prime.

It is a super-2 number, since 2×1147627481² = 2634097670292810722, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1147627487) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 157601 + ... + 164721.

It is an arithmetic number, because the mean of its divisors is an integer number (34100136).

Almost surely, 2^1147627481 is an apocalyptic number.

1147627481 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

1147627481 is a deficient number, since it is larger than the sum of its proper divisors (489179047).

1147627481 is a wasteful number, since it uses less digits than its factorization.

1147627481 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7182 (or 7175 counting only the distinct ones).

The product of its digits is 75264, while the sum is 41.

The square root of 1147627481 is about 33876.6509708383. The cubic root of 1147627481 is about 1046.9685750005.

The spelling of 1147627481 in words is "one billion, one hundred forty-seven million, six hundred twenty-seven thousand, four hundred eighty-one".