1125480973 has 4 divisors (see below), whose sum is σ = 1125593820. Its totient is φ = 1125368128.

The previous prime is 1125480953. The next prime is 1125480997. The reversal of 1125480973 is 3790845211.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 337163044 + 788317929 = 18362^2 + 28077^2 .

It is a cyclic number.

It is not a de Polignac number, because 1125480973 - 2¹³ = 1125472781 is a prime.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1125480943) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 39838 + ... + 61951.

It is an arithmetic number, because the mean of its divisors is an integer number (281398455).

Almost surely, 2^1125480973 is an apocalyptic number.

It is an amenable number.

1125480973 is a deficient number, since it is larger than the sum of its proper divisors (112847).

1125480973 is a wasteful number, since it uses less digits than its factorization.

1125480973 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 112846.

The product of its (nonzero) digits is 60480, while the sum is 40.

The square root of 1125480973 is about 33548.1888184742. The cubic root of 1125480973 is about 1040.1901073206.

The spelling of 1125480973 in words is "one billion, one hundred twenty-five million, four hundred eighty thousand, nine hundred seventy-three".