120102340 has 24 divisors (see below), whose sum is σ = 260913240. Its totient is φ = 46384128.

The previous prime is 120102337. The next prime is 120102341. The reversal of 120102340 is 43201021.

It can be written as a sum of positive squares in 4 ways, for example, as 18818244 + 101284096 = 4338^2 + 10064^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 120102340.

It is not an unprimeable number, because it can be changed into a prime (120102341) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 102957 + ... + 104116.

It is an arithmetic number, because the mean of its divisors is an integer number (10871385).

Almost surely, 2^120102340 is an apocalyptic number.

120102340 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

120102340 is an abundant number, since it is smaller than the sum of its proper divisors (140810900).

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

120102340 is a wasteful number, since it uses less digits than its factorization.

120102340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 207111 (or 207109 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 13.

The square root of 120102340 is about 10959.1213151420. The cubic root of 120102340 is about 493.3825928818.

Adding to 120102340 its reverse (43201021), we get a palindrome (163303361).

The spelling of 120102340 in words is "one hundred twenty million, one hundred two thousand, three hundred forty".