40120301 has 4 divisors (see below), whose sum is σ = 43206492. Its totient is φ = 37034112.

The previous prime is 40120273. The next prime is 40120309. The reversal of 40120301 is 10302104.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 12040900 + 28079401 = 3470^2 + 5299^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-40120301 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40120309) 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, 1543076 + ... + 1543101.

It is an arithmetic number, because the mean of its divisors is an integer number (10801623).

Almost surely, 2^40120301 is an apocalyptic number.

It is an amenable number.

40120301 is a deficient number, since it is larger than the sum of its proper divisors (3086191).

40120301 is a wasteful number, since it uses less digits than its factorization.

40120301 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3086190.

The product of its (nonzero) digits is 24, while the sum is 11.

The square root of 40120301 is about 6334.0588093260. The cubic root of 40120301 is about 342.3376992227.

Adding to 40120301 its reverse (10302104), we get a palindrome (50422405).

It can be divided in two parts, 401 and 20301, that added together give a palindrome (20702).

The spelling of 40120301 in words is "forty million, one hundred twenty thousand, three hundred one".