1402279 has 4 divisors (see below), whose sum is σ = 1484784. Its totient is φ = 1319776.

The previous prime is 1402277. The next prime is 1402283. The reversal of 1402279 is 9722041.

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 1402279 - 2¹ = 1402277 is a prime.

It is a Duffinian number.

1402279 is a lucky 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 polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 41227 + ... + 41260.

It is an arithmetic number, because the mean of its divisors is an integer number (371196).

2^1402279 is an apocalyptic number.

1402279 is a deficient number, since it is larger than the sum of its proper divisors (82505).

1402279 is an equidigital number, since it uses as much as digits as its factorization.

1402279 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 82504.

The product of its (nonzero) digits is 1008, while the sum is 25.

The square root of 1402279 is about 1184.1786182836. The cubic root of 1402279 is about 111.9295634926.

It can be divided in two parts, 1402 and 279, that added together give a square (1681 = 41²).

The spelling of 1402279 in words is "one million, four hundred two thousand, two hundred seventy-nine".