1125450355 has 4 divisors (see below), whose sum is σ = 1350540432. Its totient is φ = 900360280.

The previous prime is 1125450317. The next prime is 1125450407. The reversal of 1125450355 is 5530545211.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 1125450355 - 2¹¹ = 1125448307 is a prime.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 112545031 + ... + 112545040.

It is an arithmetic number, because the mean of its divisors is an integer number (337635108).

Almost surely, 2^1125450355 is an apocalyptic number.

1125450355 is a deficient number, since it is larger than the sum of its proper divisors (225090077).

1125450355 is an equidigital number, since it uses as much as digits as its factorization.

1125450355 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 225090076.

The product of its (nonzero) digits is 15000, while the sum is 31.

The square root of 1125450355 is about 33547.7324867121. The cubic root of 1125450355 is about 1040.1806746631.

Adding to 1125450355 its reverse (5530545211), we get a palindrome (6655995566).

The spelling of 1125450355 in words is "one billion, one hundred twenty-five million, four hundred fifty thousand, three hundred fifty-five".