1201322703 has 8 divisors (see below), whose sum is σ = 1830587008. Its totient is φ = 686470104.

The previous prime is 1201322701. The next prime is 1201322711. The reversal of 1201322703 is 3072231021.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1201322703 - 2¹ = 1201322701 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21), and also a Moran number because the ratio is a prime number: 57205843 = 1201322703 / (1 + 2 + 0 + 1 + 3 + 2 + 2 + 7 + 0 + 3).

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1201322703.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1201322701) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 28602901 + ... + 28602942.

It is an arithmetic number, because the mean of its divisors is an integer number (228823376).

Almost surely, 2^1201322703 is an apocalyptic number.

1201322703 is a deficient number, since it is larger than the sum of its proper divisors (629264305).

1201322703 is an equidigital number, since it uses as much as digits as its factorization.

1201322703 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57205853.

The product of its (nonzero) digits is 504, while the sum is 21.

The square root of 1201322703 is about 34660.1024666691. The cubic root of 1201322703 is about 1063.0488651710.

Adding to 1201322703 its reverse (3072231021), we get a palindrome (4273553724).

It can be divided in two parts, 1201322 and 703, that added together give a triangular number (1202025 = T₁₅₅₀).

The spelling of 1201322703 in words is "one billion, two hundred one million, three hundred twenty-two thousand, seven hundred three".