402101411 has 4 divisors (see below), whose sum is σ = 404185032. Its totient is φ = 400017792.

The previous prime is 402101363. The next prime is 402101419. The reversal of 402101411 is 114101204.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-402101411 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (402101419) 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, 1041521 + ... + 1041906.

It is an arithmetic number, because the mean of its divisors is an integer number (101046258).

Almost surely, 2^402101411 is an apocalyptic number.

402101411 is a deficient number, since it is larger than the sum of its proper divisors (2083621).

402101411 is a wasteful number, since it uses less digits than its factorization.

402101411 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2083620.

The product of its (nonzero) digits is 32, while the sum is 14.

The square root of 402101411 is about 20052.4664567728. The cubic root of 402101411 is about 738.0943241831.

Adding to 402101411 its reverse (114101204), we get a palindrome (516202615).

The spelling of 402101411 in words is "four hundred two million, one hundred one thousand, four hundred eleven".