401101399 has 4 divisors (see below), whose sum is σ = 401254240. Its totient is φ = 400948560.

The previous prime is 401101397. The next prime is 401101427. The reversal of 401101399 is 993101104.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 401101399 - 2¹ = 401101397 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 (401101397) 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, 72414 + ... + 77755.

It is an arithmetic number, because the mean of its divisors is an integer number (100313560).

Almost surely, 2^401101399 is an apocalyptic number.

401101399 is a deficient number, since it is larger than the sum of its proper divisors (152841).

401101399 is a wasteful number, since it uses less digits than its factorization.

401101399 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 152840.

The product of its (nonzero) digits is 972, while the sum is 28.

The square root of 401101399 is about 20027.5160466794. The cubic root of 401101399 is about 737.4819447461.

The spelling of 401101399 in words is "four hundred one million, one hundred one thousand, three hundred ninety-nine".