1272023 has 8 divisors (see below), whose sum is σ = 1349760. Its totient is φ = 1196640.

The previous prime is 1272001. The next prime is 1272043. The reversal of 1272023 is 3202721.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1272023 is a prime.

It is a plaindrome in base 9.

It is a junction number, because it is equal to n+sod(n) for n = 1271992 and 1272010.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1272043) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 593 + ... + 1701.

It is an arithmetic number, because the mean of its divisors is an integer number (168720).

2^1272023 is an apocalyptic number.

1272023 is a deficient number, since it is larger than the sum of its proper divisors (77737).

1272023 is a wasteful number, since it uses less digits than its factorization.

1272023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1177.

The product of its (nonzero) digits is 168, while the sum is 17.

The square root of 1272023 is about 1127.8399709179. The cubic root of 1272023 is about 108.3506833487.

Adding to 1272023 its reverse (3202721), we get a palindrome (4474744).

The spelling of 1272023 in words is "one million, two hundred seventy-two thousand, twenty-three".