1125621475 has 12 divisors (see below), whose sum is σ = 1522659240. Its totient is φ = 818633600.

The previous prime is 1125621401. The next prime is 1125621481. The reversal of 1125621475 is 5741265211.

It is not a de Polignac number, because 1125621475 - 2⁹ = 1125620963 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1125621475.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2046310 + ... + 2046859.

It is an arithmetic number, because the mean of its divisors is an integer number (126888270).

Almost surely, 2^1125621475 is an apocalyptic number.

1125621475 is a deficient number, since it is larger than the sum of its proper divisors (397037765).

1125621475 is a wasteful number, since it uses less digits than its factorization.

1125621475 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4093190 (or 4093185 counting only the distinct ones).

The product of its digits is 16800, while the sum is 34.

The square root of 1125621475 is about 33550.2827856935. The cubic root of 1125621475 is about 1040.2333903592.

Adding to 1125621475 its reverse (5741265211), we get a palindrome (6866886686).

The spelling of 1125621475 in words is "one billion, one hundred twenty-five million, six hundred twenty-one thousand, four hundred seventy-five".