1125623455 has 16 divisors (see below), whose sum is σ = 1477743264. Its totient is φ = 816302080.

The previous prime is 1125623437. The next prime is 1125623461. The reversal of 1125623455 is 5543265211.

It is not a de Polignac number, because 1125623455 - 2¹³ = 1125615263 is a prime.

It is a super-2 number, since 2×1125623455² = 2534056324892274050, which contains 22 as substring.

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 1125623455.

It is a congruent number.

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 15 ways as a sum of consecutive naturals, for example, 9574 + ... + 48403.

It is an arithmetic number, because the mean of its divisors is an integer number (92358954).

Almost surely, 2^1125623455 is an apocalyptic number.

1125623455 is a deficient number, since it is larger than the sum of its proper divisors (352119809).

1125623455 is a wasteful number, since it uses less digits than its factorization.

1125623455 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 58346.

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

The square root of 1125623455 is about 33550.3122936285. The cubic root of 1125623455 is about 1040.2340002922.

Adding to 1125623455 its reverse (5543265211), we get a palindrome (6668888666).

The spelling of 1125623455 in words is "one billion, one hundred twenty-five million, six hundred twenty-three thousand, four hundred fifty-five".