1125452635 has 4 divisors (see below), whose sum is σ = 1350543168. Its totient is φ = 900362104.

The previous prime is 1125452611. The next prime is 1125452639. The reversal of 1125452635 is 5362545211.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 5362545211 = 31489 ⋅170299.

It is a cyclic number.

It is not a de Polignac number, because 1125452635 - 2⁷ = 1125452507 is a prime.

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 1125452635.

It is not an unprimeable number, because it can be changed into a prime (1125452639) 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, 112545259 + ... + 112545268.

It is an arithmetic number, because the mean of its divisors is an integer number (337635792).

Almost surely, 2^1125452635 is an apocalyptic number.

1125452635 is a deficient number, since it is larger than the sum of its proper divisors (225090533).

1125452635 is an equidigital number, since it uses as much as digits as its factorization.

1125452635 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 225090532.

The product of its digits is 36000, while the sum is 34.

The square root of 1125452635 is about 33547.7664681272. The cubic root of 1125452635 is about 1040.1813770813.

Adding to 1125452635 its reverse (5362545211), we get a palindrome (6487997846).

The spelling of 1125452635 in words is "one billion, one hundred twenty-five million, four hundred fifty-two thousand, six hundred thirty-five".