120302540 has 96 divisors (see below), whose sum is σ = 280615104. Its totient is φ = 43130880.

The previous prime is 120302521. The next prime is 120302551. The reversal of 120302540 is 45203021.

It is a super-2 number, since 2×120302540² = 28945402260903200, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (17).

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, 918275 + ... + 918405.

It is an arithmetic number, because the mean of its divisors is an integer number (2923074).

Almost surely, 2^120302540 is an apocalyptic number.

120302540 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 120302540, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (140307552).

120302540 is an abundant number, since it is smaller than the sum of its proper divisors (160312564).

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

120302540 is a wasteful number, since it uses less digits than its factorization.

120302540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 267 (or 265 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 17.

The square root of 120302540 is about 10968.2514559067. The cubic root of 120302540 is about 493.6565824440.

Adding to 120302540 its reverse (45203021), we get a palindrome (165505561).

The spelling of 120302540 in words is "one hundred twenty million, three hundred two thousand, five hundred forty".