120542455 has 16 divisors (see below), whose sum is σ = 159283584. Its totient is φ = 86843680.

The previous prime is 120542453. The next prime is 120542467. The reversal of 120542455 is 554245021.

It is not a de Polignac number, because 120542455 - 2¹ = 120542453 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120542453) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4357 + ... + 16126.

It is an arithmetic number, because the mean of its divisors is an integer number (9955224).

Almost surely, 2^120542455 is an apocalyptic number.

120542455 is a deficient number, since it is larger than the sum of its proper divisors (38741129).

120542455 is a wasteful number, since it uses less digits than its factorization.

120542455 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20606.

The product of its (nonzero) digits is 8000, while the sum is 28.

The square root of 120542455 is about 10979.1828020122. The cubic root of 120542455 is about 493.9845250224.

Adding to 120542455 its reverse (554245021), we get a palindrome (674787476).

It can be divided in two parts, 1205 and 42455, that added together give a triangular number (43660 = T₂₉₅).

The spelling of 120542455 in words is "one hundred twenty million, five hundred forty-two thousand, four hundred fifty-five".