401102245 has 4 divisors (see below), whose sum is σ = 481322700. Its totient is φ = 320881792.

The previous prime is 401102239. The next prime is 401102249. The reversal of 401102245 is 542201104.

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 67272804 + 333829441 = 8202^2 + 18271^2 .

It is a cyclic number.

It is not a de Polignac number, because 401102245 - 2¹³ = 401094053 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (401102249) 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, 40110220 + ... + 40110229.

It is an arithmetic number, because the mean of its divisors is an integer number (120330675).

Almost surely, 2^401102245 is an apocalyptic number.

It is an amenable number.

401102245 is a deficient number, since it is larger than the sum of its proper divisors (80220455).

401102245 is an equidigital number, since it uses as much as digits as its factorization.

401102245 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 80220454.

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

The square root of 401102245 is about 20027.5371676100. The cubic root of 401102245 is about 737.4824632429.

Adding to 401102245 its reverse (542201104), we get a palindrome (943303349).

The spelling of 401102245 in words is "four hundred one million, one hundred two thousand, two hundred forty-five".