1125252017 has 8 divisors (see below), whose sum is σ = 1139826600. Its totient is φ = 1110754944.

The previous prime is 1125252001. The next prime is 1125252041. The reversal of 1125252017 is 7102525211.

It can be written as a sum of positive squares in 4 ways, for example, as 23078416 + 1102173601 = 4804^2 + 33199^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1125252017 - 2⁴ = 1125252001 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1125252097) 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, 10133 + ... + 48509.

It is an arithmetic number, because the mean of its divisors is an integer number (142478325).

Almost surely, 2^1125252017 is an apocalyptic number.

It is an amenable number.

1125252017 is a deficient number, since it is larger than the sum of its proper divisors (14574583).

1125252017 is a wasteful number, since it uses less digits than its factorization.

1125252017 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38755.

The product of its (nonzero) digits is 1400, while the sum is 26.

The square root of 1125252017 is about 33544.7762997460. The cubic root of 1125252017 is about 1040.1195674290.

Adding to 1125252017 its reverse (7102525211), we get a palindrome (8227777228).

The spelling of 1125252017 in words is "one billion, one hundred twenty-five million, two hundred fifty-two thousand, seventeen".