120545401 has 4 divisors (see below), whose sum is σ = 120590452. Its totient is φ = 120500352.

The previous prime is 120545363. The next prime is 120545423. The reversal of 120545401 is 104545021.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 104545021 = 7 ⋅14935003.

It can be written as a sum of positive squares in 2 ways, for example, as 74373376 + 46172025 = 8624^2 + 6795^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-120545401 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (120545441) 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, 18240 + ... + 23953.

It is an arithmetic number, because the mean of its divisors is an integer number (30147613).

Almost surely, 2^120545401 is an apocalyptic number.

It is an amenable number.

120545401 is a deficient number, since it is larger than the sum of its proper divisors (45051).

120545401 is an equidigital number, since it uses as much as digits as its factorization.

120545401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45050.

The product of its (nonzero) digits is 800, while the sum is 22.

The square root of 120545401 is about 10979.3169641832. The cubic root of 120545401 is about 493.9885492382.

The spelling of 120545401 in words is "one hundred twenty million, five hundred forty-five thousand, four hundred one".