401120829 has 12 divisors (see below), whose sum is σ = 600856256. Its totient is φ = 267413724.

The previous prime is 401120791. The next prime is 401120857. The reversal of 401120829 is 928021104.

It is not a de Polignac number, because 401120829 - 2¹⁹ = 400596541 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (401120869) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 825109 + ... + 825594.

Almost surely, 2^401120829 is an apocalyptic number.

It is an amenable number.

401120829 is a deficient number, since it is larger than the sum of its proper divisors (199735427).

401120829 is an equidigital number, since it uses as much as digits as its factorization.

401120829 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1650718 (or 1650706 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 27.

The square root of 401120829 is about 20028.0011234272. The cubic root of 401120829 is about 737.4938528263.

The spelling of 401120829 in words is "four hundred one million, one hundred twenty thousand, eight hundred twenty-nine".