401252113 has 8 divisors (see below), whose sum is σ = 410175360. Its totient is φ = 392345040.

The previous prime is 401252107. The next prime is 401252119. The reversal of 401252113 is 311252104.

It is an interprime number because it is at equal distance from previous prime (401252107) and next prime (401252119).

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 401252113 - 2¹⁷ = 401121041 is a prime.

It is a super-2 number, since 2×401252113² = 322006516373929538, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (401252119) 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 7 ways as a sum of consecutive naturals, for example, 55783 + ... + 62563.

It is an arithmetic number, because the mean of its divisors is an integer number (51271920).

Almost surely, 2^401252113 is an apocalyptic number.

It is an amenable number.

401252113 is a deficient number, since it is larger than the sum of its proper divisors (8923247).

401252113 is a wasteful number, since it uses less digits than its factorization.

401252113 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8087.

The product of its (nonzero) digits is 240, while the sum is 19.

The square root of 401252113 is about 20031.2783665946. The cubic root of 401252113 is about 737.5743028843.

Subtracting from 401252113 its reverse (311252104), we obtain a palindrome (90000009).

It can be divided in two parts, 40 and 1252113, that added together give a triangular number (1252153 = T₁₅₈₂).

The spelling of 401252113 in words is "four hundred one million, two hundred fifty-two thousand, one hundred thirteen".