1125160651 has 4 divisors (see below), whose sum is σ = 1125403704. Its totient is φ = 1124917600.

The previous prime is 1125160627. The next prime is 1125160679. The reversal of 1125160651 is 1560615211.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1560615211 = 43 ⋅36293377.

It is a cyclic number.

It is not a de Polignac number, because 1125160651 - 2⁷ = 1125160523 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1125160451) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 114445 + ... + 123886.

It is an arithmetic number, because the mean of its divisors is an integer number (281350926).

Almost surely, 2^1125160651 is an apocalyptic number.

1125160651 is a deficient number, since it is larger than the sum of its proper divisors (243053).

1125160651 is an equidigital number, since it uses as much as digits as its factorization.

1125160651 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 243052.

The product of its (nonzero) digits is 1800, while the sum is 28.

The square root of 1125160651 is about 33543.4144207175. The cubic root of 1125160651 is about 1040.0914154728.

Adding to 1125160651 its reverse (1560615211), we get a palindrome (2685775862).

The spelling of 1125160651 in words is "one billion, one hundred twenty-five million, one hundred sixty thousand, six hundred fifty-one".