1320402 has 16 divisors (see below), whose sum is σ = 2652480. Its totient is φ = 438192.

The previous prime is 1320391. The next prime is 1320409. The reversal of 1320402 is 2040231.

It is a super-2 number, since 2×1320402² = 3486922883208, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1320409) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1848 + ... + 2460.

It is an arithmetic number, because the mean of its divisors is an integer number (165780).

2^1320402 is an apocalyptic number.

1320402 is an abundant number, since it is smaller than the sum of its proper divisors (1332078).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1320402 is a wasteful number, since it uses less digits than its factorization.

1320402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 977.

The product of its (nonzero) digits is 48, while the sum is 12.

The square root of 1320402 is about 1149.0874640340. The cubic root of 1320402 is about 109.7072657378.

Adding to 1320402 its reverse (2040231), we get a palindrome (3360633).

The spelling of 1320402 in words is "one million, three hundred twenty thousand, four hundred two".