1125152441 has 4 divisors (see below), whose sum is σ = 1285888512. Its totient is φ = 964416372.

The previous prime is 1125152437. The next prime is 1125152447. The reversal of 1125152441 is 1442515211.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 1125152441 - 2² = 1125152437 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 1125152441.

It is not an unprimeable number, because it can be changed into a prime (1125152447) 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, 80368025 + ... + 80368038.

It is an arithmetic number, because the mean of its divisors is an integer number (321472128).

Almost surely, 2^1125152441 is an apocalyptic number.

It is an amenable number.

1125152441 is a deficient number, since it is larger than the sum of its proper divisors (160736071).

1125152441 is an equidigital number, since it uses as much as digits as its factorization.

1125152441 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 160736070.

The product of its digits is 1600, while the sum is 26.

The square root of 1125152441 is about 33543.2920417779. The cubic root of 1125152441 is about 1040.0888857092.

Adding to 1125152441 its reverse (1442515211), we get a palindrome (2567667652).

The spelling of 1125152441 in words is "one billion, one hundred twenty-five million, one hundred fifty-two thousand, four hundred forty-one".