420154142125 has 16 divisors (see below), whose sum is σ = 524558960640. Its totient is φ = 335990883600.

The previous prime is 420154142099. The next prime is 420154142153. The reversal of 420154142125 is 521241451024.

It is not a de Polignac number, because 420154142125 - 2⁷ = 420154141997 is a prime.

It is a congruent number.

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, 343005 + ... + 978754.

It is an arithmetic number, because the mean of its divisors is an integer number (32784935040).

Almost surely, 2^420154142125 is an apocalyptic number.

It is an amenable number.

420154142125 is a deficient number, since it is larger than the sum of its proper divisors (104404818515).

420154142125 is a wasteful number, since it uses less digits than its factorization.

420154142125 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1324317 (or 1324307 counting only the distinct ones).

The product of its (nonzero) digits is 12800, while the sum is 31.

Adding to 420154142125 its reverse (521241451024), we get a palindrome (941395593149).

The spelling of 420154142125 in words is "four hundred twenty billion, one hundred fifty-four million, one hundred forty-two thousand, one hundred twenty-five".