1401973 has 4 divisors (see below), whose sum is σ = 1484460. Its totient is φ = 1319488.

The previous prime is 1401971. The next prime is 1401977. The reversal of 1401973 is 3791041.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3791041 = 179 ⋅21179.

It can be written as a sum of positive squares in 2 ways, for example, as 1295044 + 106929 = 1138^2 + 327^2 .

It is a cyclic number.

It is not a de Polignac number, because 1401973 - 2¹ = 1401971 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1401971) 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, 41218 + ... + 41251.

It is an arithmetic number, because the mean of its divisors is an integer number (371115).

2^1401973 is an apocalyptic number.

It is an amenable number.

1401973 is a deficient number, since it is larger than the sum of its proper divisors (82487).

1401973 is an equidigital number, since it uses as much as digits as its factorization.

1401973 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 82486.

The product of its (nonzero) digits is 756, while the sum is 25.

The square root of 1401973 is about 1184.0494077529. The cubic root of 1401973 is about 111.9214212855.

The spelling of 1401973 in words is "one million, four hundred one thousand, nine hundred seventy-three".