1342340120 has 128 divisors (see below), whose sum is σ = 3499545600. Its totient is φ = 462084480.

The previous prime is 1342340119. The next prime is 1342340141. The reversal of 1342340120 is 210432431.

It is a super-2 number, since 2×1342340120² = 3603753995523228800, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 1342340092 and 1342340101.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1010897 + ... + 1012223.

It is an arithmetic number, because the mean of its divisors is an integer number (27340200).

Almost surely, 2^1342340120 is an apocalyptic number.

1342340120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1342340120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1749772800).

1342340120 is an abundant number, since it is smaller than the sum of its proper divisors (2157205480).

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

1342340120 is a wasteful number, since it uses less digits than its factorization.

1342340120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1390 (or 1364 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 20.

The square root of 1342340120 is about 36637.9600960534. The cubic root of 1342340120 is about 1103.1151695978.

Adding to 1342340120 its reverse (210432431), we get a palindrome (1552772551).

The spelling of 1342340120 in words is "one billion, three hundred forty-two million, three hundred forty thousand, one hundred twenty".