245122401 has 8 divisors (see below), whose sum is σ = 344031520. Its totient is φ = 154814112.

The previous prime is 245122379. The next prime is 245122417. The reversal of 245122401 is 104221542.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 245122401 - 2⁵ = 245122369 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (245122441) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2150140 + ... + 2150253.

It is an arithmetic number, because the mean of its divisors is an integer number (43003940).

Almost surely, 2^245122401 is an apocalyptic number.

It is an amenable number.

245122401 is a deficient number, since it is larger than the sum of its proper divisors (98909119).

245122401 is a wasteful number, since it uses less digits than its factorization.

245122401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4300415.

The product of its (nonzero) digits is 640, while the sum is 21.

The square root of 245122401 is about 15656.3853107925. The cubic root of 245122401 is about 625.8366616825.

Adding to 245122401 its reverse (104221542), we get a palindrome (349343943).

The spelling of 245122401 in words is "two hundred forty-five million, one hundred twenty-two thousand, four hundred one".