401230901 has 4 divisors (see below), whose sum is σ = 401382912. Its totient is φ = 401078892.

The previous prime is 401230873. The next prime is 401230903. The reversal of 401230901 is 109032104.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 401230901 - 2²⁶ = 334122037 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (401230903) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 71975 + ... + 77348.

It is an arithmetic number, because the mean of its divisors is an integer number (100345728).

Almost surely, 2^401230901 is an apocalyptic number.

It is an amenable number.

401230901 is a deficient number, since it is larger than the sum of its proper divisors (152011).

401230901 is a wasteful number, since it uses less digits than its factorization.

401230901 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 152010.

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

The square root of 401230901 is about 20030.7488876477. The cubic root of 401230901 is about 737.5613054850.

The spelling of 401230901 in words is "four hundred one million, two hundred thirty thousand, nine hundred one".