1201114243 has 16 divisors (see below), whose sum is σ = 1456138944. Its totient is φ = 967173120.

The previous prime is 1201114231. The next prime is 1201114247. The reversal of 1201114243 is 3424111021.

It is a cyclic number.

It is not a de Polignac number, because 1201114243 - 2⁹ = 1201113731 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1201114243.

It is not an unprimeable number, because it can be changed into a prime (1201114247) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 57223 + ... + 75343.

It is an arithmetic number, because the mean of its divisors is an integer number (91008684).

Almost surely, 2^1201114243 is an apocalyptic number.

1201114243 is a deficient number, since it is larger than the sum of its proper divisors (255024701).

1201114243 is a wasteful number, since it uses less digits than its factorization.

1201114243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18702.

The product of its (nonzero) digits is 192, while the sum is 19.

The square root of 1201114243 is about 34657.0951321659. The cubic root of 1201114243 is about 1062.9873729549.

Adding to 1201114243 its reverse (3424111021), we get a palindrome (4625225264).

The spelling of 1201114243 in words is "one billion, two hundred one million, one hundred fourteen thousand, two hundred forty-three".