401203901 has 32 divisors (see below), whose sum is σ = 482630400. Its totient is φ = 326430720.

The previous prime is 401203897. The next prime is 401203921. The reversal of 401203901 is 109302104.

It is not a de Polignac number, because 401203901 - 2² = 401203897 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (401203921) 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 31 ways as a sum of consecutive naturals, for example, 2886290 + ... + 2886428.

It is an arithmetic number, because the mean of its divisors is an integer number (15082200).

Almost surely, 2^401203901 is an apocalyptic number.

401203901 is a gapful number since it is divisible by the number (41) formed by its first and last digit.

It is an amenable number.

401203901 is a deficient number, since it is larger than the sum of its proper divisors (81426499).

401203901 is a wasteful number, since it uses less digits than its factorization.

401203901 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 389.

The product of its (nonzero) digits is 216, while the sum is 20.

The square root of 401203901 is about 20030.0749124910. The cubic root of 401203901 is about 737.5447608953.

The spelling of 401203901 in words is "four hundred one million, two hundred three thousand, nine hundred one".