120541645 has 16 divisors (see below), whose sum is σ = 175039488. Its totient is φ = 77794560.

The previous prime is 120541633. The next prime is 120541657. The reversal of 120541645 is 546145021.

It is an interprime number because it is at equal distance from previous prime (120541633) and next prime (120541657).

It is not a de Polignac number, because 120541645 - 2¹⁵ = 120508877 is a prime.

It is a super-3 number, since 3×120541645³ (a number of 25 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 100701 + ... + 101890.

It is an arithmetic number, because the mean of its divisors is an integer number (10939968).

Almost surely, 2^120541645 is an apocalyptic number.

It is an amenable number.

120541645 is a deficient number, since it is larger than the sum of its proper divisors (54497843).

120541645 is a wasteful number, since it uses less digits than its factorization.

120541645 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 202620.

The product of its (nonzero) digits is 4800, while the sum is 28.

The square root of 120541645 is about 10979.1459139589. The cubic root of 120541645 is about 493.9834185565.

Adding to 120541645 its reverse (546145021), we get a palindrome (666686666).

The spelling of 120541645 in words is "one hundred twenty million, five hundred forty-one thousand, six hundred forty-five".