401131501 has 8 divisors (see below), whose sum is σ = 408391200. Its totient is φ = 393887280.

The previous prime is 401131487. The next prime is 401131517. The reversal of 401131501 is 105131104.

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

It is a cyclic number.

It is not a de Polignac number, because 401131501 - 2⁷ = 401131373 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 (401131571) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 56910 + ... + 63568.

It is an arithmetic number, because the mean of its divisors is an integer number (51048900).

Almost surely, 2^401131501 is an apocalyptic number.

It is an amenable number.

401131501 is a deficient number, since it is larger than the sum of its proper divisors (7259699).

401131501 is a wasteful number, since it uses less digits than its factorization.

401131501 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7739.

The product of its (nonzero) digits is 60, while the sum is 16.

The square root of 401131501 is about 20028.2675486423. The cubic root of 401131501 is about 737.5003932201.

Adding to 401131501 its reverse (105131104), we get a palindrome (506262605).

It can be divided in two parts, 40113 and 1501, that added together give a palindrome (41614).

The spelling of 401131501 in words is "four hundred one million, one hundred thirty-one thousand, five hundred one".