1125448741 has 4 divisors (see below), whose sum is σ = 1126374732. Its totient is φ = 1124522752.

The previous prime is 1125448711. The next prime is 1125448747. The reversal of 1125448741 is 1478445211.

It is a happy number.

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 550887841 + 574560900 = 23471^2 + 23970^2 .

It is a cyclic number.

It is not a de Polignac number, because 1125448741 - 2¹³ = 1125440549 is a prime.

It is a super-3 number, since 3×1125448741³ (a number of 28 digits) contains 333 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1125448741.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1125448747) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 461170 + ... + 463603.

It is an arithmetic number, because the mean of its divisors is an integer number (281593683).

Almost surely, 2^1125448741 is an apocalyptic number.

It is an amenable number.

1125448741 is a deficient number, since it is larger than the sum of its proper divisors (925991).

1125448741 is an equidigital number, since it uses as much as digits as its factorization.

1125448741 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 925990.

The product of its digits is 35840, while the sum is 37.

The square root of 1125448741 is about 33547.7084314264. The cubic root of 1125448741 is about 1040.1801774244.

It can be divided in two parts, 11254 and 48741, that added together give a palindrome (59995).

The spelling of 1125448741 in words is "one billion, one hundred twenty-five million, four hundred forty-eight thousand, seven hundred forty-one".