420124105200431 has 32 divisors (see below), whose sum is σ = 475022778531840. Its totient is φ = 369627094023264.

The previous prime is 420124105200407. The next prime is 420124105200439. The reversal of 420124105200431 is 134002501421024.

It is a happy number.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-420124105200431 is a prime.

It is a super-2 number, since 2×420124105200431² (a number of 30 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 420124105200394 and 420124105200403.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (420124105200439) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 63801215 + ... + 70077408.

It is an arithmetic number, because the mean of its divisors is an integer number (14844461829120).

Almost surely, 2^{420124105200431} is an apocalyptic number.

420124105200431 is a deficient number, since it is larger than the sum of its proper divisors (54898673331409).

420124105200431 is a wasteful number, since it uses less digits than its factorization.

420124105200431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 133878875.

The product of its (nonzero) digits is 7680, while the sum is 29.

Adding to 420124105200431 its reverse (134002501421024), we get a palindrome (554126606621455).

The spelling of 420124105200431 in words is "four hundred twenty trillion, one hundred twenty-four billion, one hundred five million, two hundred thousand, four hundred thirty-one".