1402271 has 4 divisors (see below), whose sum is σ = 1510152. Its totient is φ = 1294392.

The previous prime is 1402267. The next prime is 1402277. The reversal of 1402271 is 1722041.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1402271 - 2² = 1402267 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 (1402277) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 53921 + ... + 53946.

It is an arithmetic number, because the mean of its divisors is an integer number (377538).

2^1402271 is an apocalyptic number.

1402271 is a deficient number, since it is larger than the sum of its proper divisors (107881).

1402271 is a wasteful number, since it uses less digits than its factorization.

1402271 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 107880.

The product of its (nonzero) digits is 112, while the sum is 17.

The square root of 1402271 is about 1184.1752404100. The cubic root of 1402271 is about 111.9293506395.

The spelling of 1402271 in words is "one million, four hundred two thousand, two hundred seventy-one".