401124243 has 16 divisors (see below), whose sum is σ = 584573696. Its totient is φ = 243159840.

The previous prime is 401124239. The next prime is 401124247. The reversal of 401124243 is 342421104.

It is an interprime number because it is at equal distance from previous prime (401124239) and next prime (401124247).

It is not a de Polignac number, because 401124243 - 2² = 401124239 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (401124247) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 74143 + ... + 79368.

It is an arithmetic number, because the mean of its divisors is an integer number (36535856).

Almost surely, 2^401124243 is an apocalyptic number.

401124243 is a deficient number, since it is larger than the sum of its proper divisors (183449453).

401124243 is a wasteful number, since it uses less digits than its factorization.

401124243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 153594.

The product of its (nonzero) digits is 768, while the sum is 21.

The square root of 401124243 is about 20028.0863539181. The cubic root of 401124243 is about 737.4959451276.

Adding to 401124243 its reverse (342421104), we get a palindrome (743545347).

The spelling of 401124243 in words is "four hundred one million, one hundred twenty-four thousand, two hundred forty-three".