1201263 has 8 divisors (see below), whose sum is σ = 1830528. Its totient is φ = 686424.

The previous prime is 1201261. The next prime is 1201283. The reversal of 1201263 is 3621021.

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

It is not a de Polignac number, because 1201263 - 2¹ = 1201261 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1201261) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 28581 + ... + 28622.

It is an arithmetic number, because the mean of its divisors is an integer number (228816).

2^1201263 is an apocalyptic number.

1201263 is a deficient number, since it is larger than the sum of its proper divisors (629265).

1201263 is an equidigital number, since it uses as much as digits as its factorization.

1201263 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57213.

The product of its (nonzero) digits is 72, while the sum is 15.

The square root of 1201263 is about 1096.0214413961. The cubic root of 1201263 is about 106.3031254511.

Adding to 1201263 its reverse (3621021), we get a palindrome (4822284).

The spelling of 1201263 in words is "one million, two hundred one thousand, two hundred sixty-three".