400132101 has 8 divisors (see below), whose sum is σ = 533753280. Its totient is φ = 266632832.

The previous prime is 400132099. The next prime is 400132121. The reversal of 400132101 is 101231004.

It is a happy number.

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 400132101 - 2¹ = 400132099 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (400132121) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 22521 + ... + 36158.

It is an arithmetic number, because the mean of its divisors is an integer number (66719160).

Almost surely, 2^400132101 is an apocalyptic number.

It is an amenable number.

400132101 is a deficient number, since it is larger than the sum of its proper divisors (133621179).

400132101 is a wasteful number, since it uses less digits than its factorization.

400132101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60955.

The product of its (nonzero) digits is 24, while the sum is 12.

The square root of 400132101 is about 20003.3022523782. The cubic root of 400132101 is about 736.8874015082.

Adding to 400132101 its reverse (101231004), we get a palindrome (501363105).

The spelling of 400132101 in words is "four hundred million, one hundred thirty-two thousand, one hundred one".