1342220 has 24 divisors (see below), whose sum is σ = 3075408. Its totient is φ = 488000.

The previous prime is 1342219. The next prime is 1342223. The reversal of 1342220 is 222431.

It is a junction number, because it is equal to n+sod(n) for n = 1342195 and 1342204.

It is not an unprimeable number, because it can be changed into a prime (1342223) 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, 2831 + ... + 3270.

It is an arithmetic number, because the mean of its divisors is an integer number (128142).

2^1342220 is an apocalyptic number.

1342220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1342220 is an abundant number, since it is smaller than the sum of its proper divisors (1733188).

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

1342220 is a wasteful number, since it uses less digits than its factorization.

1342220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6121 (or 6119 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 14.

The square root of 1342220 is about 1158.5421874062. The cubic root of 1342220 is about 110.3082264339.

Adding to 1342220 its reverse (222431), we get a palindrome (1564651).

The spelling of 1342220 in words is "one million, three hundred forty-two thousand, two hundred twenty".