1125431054 has 16 divisors (see below), whose sum is σ = 1860603696. Its totient is φ = 506284800.

The previous prime is 1125431051. The next prime is 1125431063. The reversal of 1125431054 is 4501345211.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1125431051) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 261557 + ... + 265824.

It is an arithmetic number, because the mean of its divisors is an integer number (116287731).

Almost surely, 2^1125431054 is an apocalyptic number.

1125431054 is a deficient number, since it is larger than the sum of its proper divisors (735172642).

1125431054 is a wasteful number, since it uses less digits than its factorization.

1125431054 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 527491.

The product of its (nonzero) digits is 2400, while the sum is 26.

The square root of 1125431054 is about 33547.4448207311. Note that the first 3 decimals coincide. The cubic root of 1125431054 is about 1040.1747284088.

Adding to 1125431054 its reverse (4501345211), we get a palindrome (5626776265).

The spelling of 1125431054 in words is "one billion, one hundred twenty-five million, four hundred thirty-one thousand, fifty-four".