1125254254 has 16 divisors (see below), whose sum is σ = 1791123840. Its totient is φ = 529042360.

The previous prime is 1125254227. The next prime is 1125254257. The reversal of 1125254254 is 4524525211.

It is a super-2 number, since 2×1125254254² = 2532394272290193032, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1125254257) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 204592 + ... + 210019.

It is an arithmetic number, because the mean of its divisors is an integer number (111945240).

Almost surely, 2^1125254254 is an apocalyptic number.

1125254254 is a deficient number, since it is larger than the sum of its proper divisors (665869586).

1125254254 is a wasteful number, since it uses less digits than its factorization.

1125254254 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 414695.

The product of its digits is 16000, while the sum is 31.

The square root of 1125254254 is about 33544.8096432220. The cubic root of 1125254254 is about 1040.1202566808.

Adding to 1125254254 its reverse (4524525211), we get a palindrome (5649779465).

The spelling of 1125254254 in words is "one billion, one hundred twenty-five million, two hundred fifty-four thousand, two hundred fifty-four".