1125458045 has 16 divisors (see below), whose sum is σ = 1394137008. Its totient is φ = 871557120.

The previous prime is 1125458041. The next prime is 1125458051. The reversal of 1125458045 is 5408545211.

It can be written as a sum of positive squares in 8 ways, for example, as 556110724 + 569347321 = 23582^2 + 23861^2 .

It is not a de Polignac number, because 1125458045 - 2² = 1125458041 is a prime.

It is a super-2 number, since 2×1125458045² = 2533311622110444050, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1125457996 and 1125458014.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1125458041) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 21005 + ... + 51885.

It is an arithmetic number, because the mean of its divisors is an integer number (87133563).

Almost surely, 2^1125458045 is an apocalyptic number.

It is an amenable number.

1125458045 is a deficient number, since it is larger than the sum of its proper divisors (268678963).

1125458045 is a wasteful number, since it uses less digits than its factorization.

1125458045 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31120.

The product of its (nonzero) digits is 32000, while the sum is 35.

The square root of 1125458045 is about 33547.8470993296. The cubic root of 1125458045 is about 1040.1830437803.

The spelling of 1125458045 in words is "one billion, one hundred twenty-five million, four hundred fifty-eight thousand, forty-five".