1402018 has 4 divisors (see below), whose sum is σ = 2103030. Its totient is φ = 701008.

The previous prime is 1402003. The next prime is 1402019. The reversal of 1402018 is 8102041.

It is a happy number.

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

It can be written as a sum of positive squares in only one way, i.e., 1096209 + 305809 = 1047^2 + 553^2 .

It is a junction number, because it is equal to n+sod(n) for n = 1401992 and 1402010.

It is not an unprimeable number, because it can be changed into a prime (1402019) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 350503 + ... + 350506.

2^1402018 is an apocalyptic number.

1402018 is a deficient number, since it is larger than the sum of its proper divisors (701012).

1402018 is an equidigital number, since it uses as much as digits as its factorization.

1402018 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 701011.

The product of its (nonzero) digits is 64, while the sum is 16.

The square root of 1402018 is about 1184.0684101858. The cubic root of 1402018 is about 111.9226187432.

Adding to 1402018 its reverse (8102041), we get a palindrome (9504059).

The spelling of 1402018 in words is "one million, four hundred two thousand, eighteen".