401322130 has 32 divisors (see below), whose sum is σ = 801420480. Its totient is φ = 143459520.

The previous prime is 401322127. The next prime is 401322157. The reversal of 401322130 is 31223104.

It is a happy number.

It is a super-2 number, since 2×401322130² = 322118904055473800, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 24429 + ... + 37408.

It is an arithmetic number, because the mean of its divisors is an integer number (25044390).

Almost surely, 2^401322130 is an apocalyptic number.

401322130 is a deficient number, since it is larger than the sum of its proper divisors (400098350).

401322130 is a wasteful number, since it uses less digits than its factorization.

401322130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 61914.

The product of its (nonzero) digits is 144, while the sum is 16.

The square root of 401322130 is about 20033.0259821126. The cubic root of 401322130 is about 737.6172017126.

Adding to 401322130 its reverse (31223104), we get a palindrome (432545234).

The spelling of 401322130 in words is "four hundred one million, three hundred twenty-two thousand, one hundred thirty".