1126872201 has 16 divisors (see below), whose sum is σ = 1849226624. Its totient is φ = 594393984.

The previous prime is 1126872199. The next prime is 1126872223. The reversal of 1126872201 is 1022786211.

It is not a de Polignac number, because 1126872201 - 2¹ = 1126872199 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1126872601) 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 15 ways as a sum of consecutive naturals, for example, 2063596 + ... + 2064141.

It is an arithmetic number, because the mean of its divisors is an integer number (115576664).

Almost surely, 2^1126872201 is an apocalyptic number.

It is an amenable number.

1126872201 is a deficient number, since it is larger than the sum of its proper divisors (722354423).

1126872201 is a wasteful number, since it uses less digits than its factorization.

1126872201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4127760.

The product of its (nonzero) digits is 2688, while the sum is 30.

The square root of 1126872201 is about 33568.9171853964. The cubic root of 1126872201 is about 1040.6185302991.

The spelling of 1126872201 in words is "one billion, one hundred twenty-six million, eight hundred seventy-two thousand, two hundred one".