120442501 has 16 divisors (see below), whose sum is σ = 134818560. Its totient is φ = 106928640.

The previous prime is 120442489. The next prime is 120442537. The reversal of 120442501 is 105244021.

It is not a de Polignac number, because 120442501 - 2²¹ = 118345349 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (19).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120442801) 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, 90100 + ... + 91426.

It is an arithmetic number, because the mean of its divisors is an integer number (8426160).

Almost surely, 2^120442501 is an apocalyptic number.

It is an amenable number.

120442501 is a deficient number, since it is larger than the sum of its proper divisors (14376059).

120442501 is a wasteful number, since it uses less digits than its factorization.

120442501 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1644.

The product of its (nonzero) digits is 320, while the sum is 19.

The square root of 120442501 is about 10974.6298798638. The cubic root of 120442501 is about 493.8479496751.

Adding to 120442501 its reverse (105244021), we get a palindrome (225686522).

The spelling of 120442501 in words is "one hundred twenty million, four hundred forty-two thousand, five hundred one".