1147525388 has 12 divisors (see below), whose sum is σ = 2072949312. Its totient is φ = 555254160.

The previous prime is 1147525321. The next prime is 1147525411. The reversal of 1147525388 is 8835257411.

It is a super-2 number, since 2×1147525388² = 2633629032209101088, which contains 22 as substring.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 4626995 + ... + 4627242.

It is an arithmetic number, because the mean of its divisors is an integer number (172745776).

Almost surely, 2^1147525388 is an apocalyptic number.

It is an amenable number.

1147525388 is a deficient number, since it is larger than the sum of its proper divisors (925423924).

1147525388 is a wasteful number, since it uses less digits than its factorization.

1147525388 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9254272 (or 9254270 counting only the distinct ones).

The product of its digits is 268800, while the sum is 44.

The square root of 1147525388 is about 33875.1441030145. The cubic root of 1147525388 is about 1046.9375279537.

It can be divided in two parts, 11475 and 25388, that added together give a palindrome (36863).

The spelling of 1147525388 in words is "one billion, one hundred forty-seven million, five hundred twenty-five thousand, three hundred eighty-eight".