1125200779 has 8 divisors (see below), whose sum is σ = 1177495200. Its totient is φ = 1073187456.

The previous prime is 1125200773. The next prime is 1125200801. The reversal of 1125200779 is 9770025211.

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

It is a cyclic number.

It is not a de Polignac number, because 1125200779 - 2¹¹ = 1125198731 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1125200773) 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 7 ways as a sum of consecutive naturals, for example, 62062 + ... + 78115.

It is an arithmetic number, because the mean of its divisors is an integer number (147186900).

Almost surely, 2^1125200779 is an apocalyptic number.

1125200779 is a deficient number, since it is larger than the sum of its proper divisors (52294421).

1125200779 is a wasteful number, since it uses less digits than its factorization.

1125200779 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 140549.

The product of its (nonzero) digits is 8820, while the sum is 34.

The square root of 1125200779 is about 33544.0125655831. The cubic root of 1125200779 is about 1040.1037800159.

The spelling of 1125200779 in words is "one billion, one hundred twenty-five million, two hundred thousand, seven hundred seventy-nine".