1125571206 has 8 divisors (see below), whose sum is σ = 2251142424. Its totient is φ = 375190400.

The previous prime is 1125571201. The next prime is 1125571243. The reversal of 1125571206 is 6021755211.

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

1125571206 is an admirable number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1125571201) 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, 93797595 + ... + 93797606.

It is an arithmetic number, because the mean of its divisors is an integer number (281392803).

Almost surely, 2^1125571206 is an apocalyptic number.

1125571206 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1125571206 is a wasteful number, since it uses less digits than its factorization.

1125571206 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 187595206.

The product of its (nonzero) digits is 4200, while the sum is 30.

The square root of 1125571206 is about 33549.5336182189. The cubic root of 1125571206 is about 1040.2179049076.

The spelling of 1125571206 in words is "one billion, one hundred twenty-five million, five hundred seventy-one thousand, two hundred six".