1125275990 has 8 divisors (see below), whose sum is σ = 2025496800. Its totient is φ = 450110392.

The previous prime is 1125275971. The next prime is 1125275993. The reversal of 1125275990 is 995725211.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1125275993) 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 3 ways as a sum of consecutive naturals, for example, 56263790 + ... + 56263809.

It is an arithmetic number, because the mean of its divisors is an integer number (253187100).

Almost surely, 2^1125275990 is an apocalyptic number.

1125275990 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1125275990 is a deficient number, since it is larger than the sum of its proper divisors (900220810).

1125275990 is a wasteful number, since it uses less digits than its factorization.

1125275990 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 112527606.

The product of its (nonzero) digits is 56700, while the sum is 41.

The square root of 1125275990 is about 33545.1336262058. The cubic root of 1125275990 is about 1040.1269538067.

The spelling of 1125275990 in words is "one billion, one hundred twenty-five million, two hundred seventy-five thousand, nine hundred ninety".