401234127425 has 6 divisors (see below), whose sum is σ = 497530318038. Its totient is φ = 320987301920.

The previous prime is 401234127421. The next prime is 401234127433. The reversal of 401234127425 is 524721432104.

It can be written as a sum of positive squares in 3 ways, for example, as 6216849409 + 395017278016 = 78847^2 + 628504^2 .

It is not a de Polignac number, because 401234127425 - 2² = 401234127421 is a prime.

It is a super-2 number, since 2×401234127425² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (401234127421) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 8024682524 + ... + 8024682573.

It is an arithmetic number, because the mean of its divisors is an integer number (82921719673).

Almost surely, 2^401234127425 is an apocalyptic number.

It is an amenable number.

401234127425 is a deficient number, since it is larger than the sum of its proper divisors (96296190613).

401234127425 is a wasteful number, since it uses less digits than its factorization.

401234127425 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16049365107 (or 16049365102 counting only the distinct ones).

The product of its (nonzero) digits is 53760, while the sum is 35.

Adding to 401234127425 its reverse (524721432104), we get a palindrome (925955559529).

The spelling of 401234127425 in words is "four hundred one billion, two hundred thirty-four million, one hundred twenty-seven thousand, four hundred twenty-five".