1147545125 has 8 divisors (see below), whose sum is σ = 1432136472. Its totient is φ = 918036000.

The previous prime is 1147545089. The next prime is 1147545127. The reversal of 1147545125 is 5215457411.

It can be written as a sum of positive squares in 4 ways, for example, as 33721249 + 1113823876 = 5807^2 + 33374^2 .

It is not a de Polignac number, because 1147545125 - 2¹² = 1147541029 is a prime.

It is a super-2 number, since 2×1147545125² = 2633719627822531250, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1147545127) 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, 4590056 + ... + 4590305.

It is an arithmetic number, because the mean of its divisors is an integer number (179017059).

Almost surely, 2^1147545125 is an apocalyptic number.

It is an amenable number.

1147545125 is a deficient number, since it is larger than the sum of its proper divisors (284591347).

1147545125 is an frugal number, since it uses more digits than its factorization.

1147545125 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9180376 (or 9180366 counting only the distinct ones).

The product of its digits is 28000, while the sum is 35.

The square root of 1147545125 is about 33875.4354215558. The cubic root of 1147545125 is about 1046.9435302283.

The spelling of 1147545125 in words is "one billion, one hundred forty-seven million, five hundred forty-five thousand, one hundred twenty-five".