1200211141 has 4 divisors (see below), whose sum is σ = 1228123072. Its totient is φ = 1172299212.

The previous prime is 1200211079. The next prime is 1200211183. The reversal of 1200211141 is 1411120021.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 1200211141 - 2¹⁵ = 1200178373 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 (1200212141) 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, 13955901 + ... + 13955986.

It is an arithmetic number, because the mean of its divisors is an integer number (307030768).

Almost surely, 2^1200211141 is an apocalyptic number.

It is an amenable number.

1200211141 is a deficient number, since it is larger than the sum of its proper divisors (27911931).

1200211141 is an equidigital number, since it uses as much as digits as its factorization.

1200211141 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27911930.

The product of its (nonzero) digits is 16, while the sum is 13.

The square root of 1200211141 is about 34644.0635751639. The cubic root of 1200211141 is about 1062.7208907478.

Adding to 1200211141 its reverse (1411120021), we get a palindrome (2611331162).

The spelling of 1200211141 in words is "one billion, two hundred million, two hundred eleven thousand, one hundred forty-one".