120402541 has 4 divisors (see below), whose sum is σ = 137602912. Its totient is φ = 103202172.

The previous prime is 120402521. The next prime is 120402553. The reversal of 120402541 is 145204021.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 120402541 - 2⁵ = 120402509 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 (120402521) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8600175 + ... + 8600188.

It is an arithmetic number, because the mean of its divisors is an integer number (34400728).

Almost surely, 2^120402541 is an apocalyptic number.

It is an amenable number.

120402541 is a deficient number, since it is larger than the sum of its proper divisors (17200371).

120402541 is an equidigital number, since it uses as much as digits as its factorization.

120402541 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17200370.

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

The square root of 120402541 is about 10972.8091662983. The cubic root of 120402541 is about 493.7933279074.

Adding to 120402541 its reverse (145204021), we get a palindrome (265606562).

The spelling of 120402541 in words is "one hundred twenty million, four hundred two thousand, five hundred forty-one".