1201211093 has 4 divisors (see below), whose sum is σ = 1204064748. Its totient is φ = 1198357440.

The previous prime is 1201211069. The next prime is 1201211107. The reversal of 1201211093 is 3901121021.

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

It can be written as a sum of positive squares in 2 ways, for example, as 410589169 + 790621924 = 20263^2 + 28118^2 .

It is a cyclic number.

It is not a de Polignac number, because 1201211093 - 2³⁰ = 127469269 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1201211003) 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, 1426196 + ... + 1427037.

It is an arithmetic number, because the mean of its divisors is an integer number (301016187).

Almost surely, 2^1201211093 is an apocalyptic number.

It is an amenable number.

1201211093 is a deficient number, since it is larger than the sum of its proper divisors (2853655).

1201211093 is an equidigital number, since it uses as much as digits as its factorization.

1201211093 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2853654.

The product of its (nonzero) digits is 108, while the sum is 20.

The square root of 1201211093 is about 34658.4923647870. The cubic root of 1201211093 is about 1063.0159429711.

The spelling of 1201211093 in words is "one billion, two hundred one million, two hundred eleven thousand, ninety-three".