120425645 has 4 divisors (see below), whose sum is σ = 144510780. Its totient is φ = 96340512.

The previous prime is 120425621. The next prime is 120425663. The reversal of 120425645 is 546524021.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 19201924 + 101223721 = 4382^2 + 10061^2 .

It is a cyclic number.

It is not a de Polignac number, because 120425645 - 2⁶ = 120425581 is a prime.

It is a super-3 number, since 3×120425645³ (a number of 25 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12042560 + ... + 12042569.

It is an arithmetic number, because the mean of its divisors is an integer number (36127695).

Almost surely, 2^120425645 is an apocalyptic number.

It is an amenable number.

120425645 is a deficient number, since it is larger than the sum of its proper divisors (24085135).

120425645 is an equidigital number, since it uses as much as digits as its factorization.

120425645 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24085134.

The product of its (nonzero) digits is 9600, while the sum is 29.

The square root of 120425645 is about 10973.8618999876. The cubic root of 120425645 is about 493.8249104950.

Adding to 120425645 its reverse (546524021), we get a palindrome (666949666).

The spelling of 120425645 in words is "one hundred twenty million, four hundred twenty-five thousand, six hundred forty-five".