120302100 has 54 divisors (see below), whose sum is σ = 377083070. Its totient is φ = 32080320.

The previous prime is 120302071. The next prime is 120302107. The reversal of 120302100 is 1203021.

It is a happy number.

It can be written as a sum of positive squares in 3 ways, for example, as 1971216 + 118330884 = 1404^2 + 10878^2 .

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a nialpdrome in base 15.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120302107) 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 17 ways as a sum of consecutive naturals, for example, 65935 + ... + 67734.

Almost surely, 2^120302100 is an apocalyptic number.

120302100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

120302100 is an abundant number, since it is smaller than the sum of its proper divisors (256780970).

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

120302100 is a wasteful number, since it uses less digits than its factorization.

120302100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 133689 (or 133679 counting only the distinct ones).

The product of its (nonzero) digits is 12, while the sum is 9.

The square root of 120302100 is about 10968.2313979967. The cubic root of 120302100 is about 493.6559806026.

Adding to 120302100 its reverse (1203021), we get a palindrome (121505121).

Multiplying 120302100 by its reverse (1203021), we get a square (144725952644100 = 12030210²).

120302100 divided by its reverse (1203021) gives a square (100 = 10²).

The spelling of 120302100 in words is "one hundred twenty million, three hundred two thousand, one hundred".