120782925 has 36 divisors (see below), whose sum is σ = 221629044. Its totient is φ = 62841600.

The previous prime is 120782923. The next prime is 120782927. The reversal of 120782925 is 529287021.

It is an interprime number because it is at equal distance from previous prime (120782923) and next prime (120782927).

It can be written as a sum of positive squares in 6 ways, for example, as 4272489 + 116510436 = 2067^2 + 10794^2 .

It is not a de Polignac number, because 120782925 - 2¹ = 120782923 is a prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 120782925.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120782923) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 2679 + ... + 15771.

Almost surely, 2^120782925 is an apocalyptic number.

120782925 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

120782925 is a deficient number, since it is larger than the sum of its proper divisors (100846119).

120782925 is a wasteful number, since it uses less digits than its factorization.

120782925 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13150 (or 13142 counting only the distinct ones).

The product of its (nonzero) digits is 20160, while the sum is 36.

The square root of 120782925 is about 10990.1285251811. The cubic root of 120782925 is about 494.3127898810.

The spelling of 120782925 in words is "one hundred twenty million, seven hundred eighty-two thousand, nine hundred twenty-five".