1501273 has 4 divisors (see below), whose sum is σ = 1509840. Its totient is φ = 1492708.

The previous prime is 1501261. The next prime is 1501303. The reversal of 1501273 is 3721051.

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 1501273 - 2⁹ = 1500761 is a prime.

It is a super-3 number, since 3×1501273³ = 10150800133330300251, which contains 333 as substring.

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 1501273.

It is not an unprimeable number, because it can be changed into a prime (1501223) 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 3 ways as a sum of consecutive naturals, for example, 4015 + ... + 4372.

It is an arithmetic number, because the mean of its divisors is an integer number (377460).

2^1501273 is an apocalyptic number.

It is an amenable number.

1501273 is a deficient number, since it is larger than the sum of its proper divisors (8567).

1501273 is an equidigital number, since it uses as much as digits as its factorization.

1501273 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8566.

The product of its (nonzero) digits is 210, while the sum is 19.

The square root of 1501273 is about 1225.2644612491. The cubic root of 1501273 is about 114.5037977930.

The spelling of 1501273 in words is "one million, five hundred one thousand, two hundred seventy-three".