1125750211 has 4 divisors (see below), whose sum is σ = 1128424624. Its totient is φ = 1123075800.

The previous prime is 1125750193. The next prime is 1125750221. The reversal of 1125750211 is 1120575211.

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

It is a cyclic number.

It is not a de Polignac number, because 1125750211 - 2²³ = 1117361603 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1125750221) 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, 1336575 + ... + 1337416.

It is an arithmetic number, because the mean of its divisors is an integer number (282106156).

Almost surely, 2^1125750211 is an apocalyptic number.

1125750211 is a deficient number, since it is larger than the sum of its proper divisors (2674413).

1125750211 is an equidigital number, since it uses as much as digits as its factorization.

1125750211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2674412.

The product of its (nonzero) digits is 700, while the sum is 25.

The square root of 1125750211 is about 33552.2012839694. The cubic root of 1125750211 is about 1040.2730456026.

The spelling of 1125750211 in words is "one billion, one hundred twenty-five million, seven hundred fifty thousand, two hundred eleven".