1402120 has 16 divisors (see below), whose sum is σ = 3154860. Its totient is φ = 560832.

The previous prime is 1402087. The next prime is 1402123. The reversal of 1402120 is 212041.

It can be written as a sum of positive squares in 2 ways, for example, as 1313316 + 88804 = 1146^2 + 298^2 .

It is a Harshad number since it is a multiple of its sum of digits (10).

It is a junction number, because it is equal to n+sod(n) for n = 1402097 and 1402106.

It is not an unprimeable number, because it can be changed into a prime (1402123) 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, 17487 + ... + 17566.

2^1402120 is an apocalyptic number.

1402120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1402120 is an abundant number, since it is smaller than the sum of its proper divisors (1752740).

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

1402120 is a wasteful number, since it uses less digits than its factorization.

1402120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35064 (or 35060 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 10.

The square root of 1402120 is about 1184.1114812381. Note that the first 3 decimals coincide. The cubic root of 1402120 is about 111.9253328857.

Adding to 1402120 its reverse (212041), we get a palindrome (1614161).

It can be divided in two parts, 14021 and 20, that added together give a palindrome (14041).

The spelling of 1402120 in words is "one million, four hundred two thousand, one hundred twenty".