401151173 has 4 divisors (see below), whose sum is σ = 401515968. Its totient is φ = 400786380.

The previous prime is 401151169. The next prime is 401151181. The reversal of 401151173 is 371151104.

It is a happy number.

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 401151173 - 2² = 401151169 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 (401151103) 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, 180743 + ... + 182948.

It is an arithmetic number, because the mean of its divisors is an integer number (100378992).

Almost surely, 2^401151173 is an apocalyptic number.

It is an amenable number.

401151173 is a deficient number, since it is larger than the sum of its proper divisors (364795).

401151173 is a wasteful number, since it uses less digits than its factorization.

401151173 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 364794.

The product of its (nonzero) digits is 420, while the sum is 23.

The square root of 401151173 is about 20028.7586485034. The cubic root of 401151173 is about 737.5124490094.

The spelling of 401151173 in words is "four hundred one million, one hundred fifty-one thousand, one hundred seventy-three".