1125406454 has 16 divisors (see below), whose sum is σ = 1744080000. Its totient is φ = 544078080.

The previous prime is 1125406453. The next prime is 1125406501. The reversal of 1125406454 is 4546045211.

It is a self number, because there is not a number n which added to its sum of digits gives 1125406454.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1125406453) 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, 70172 + ... + 84704.

It is an arithmetic number, because the mean of its divisors is an integer number (109005000).

Almost surely, 2^1125406454 is an apocalyptic number.

1125406454 is a deficient number, since it is larger than the sum of its proper divisors (618673546).

1125406454 is a wasteful number, since it uses less digits than its factorization.

1125406454 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15815.

The product of its (nonzero) digits is 19200, while the sum is 32.

The square root of 1125406454 is about 33547.0781738142. The cubic root of 1125406454 is about 1040.1671495395.

The spelling of 1125406454 in words is "one billion, one hundred twenty-five million, four hundred six thousand, four hundred fifty-four".