125134054420 has 12 divisors (see below), whose sum is σ = 262781514324. Its totient is φ = 50053621760.

The previous prime is 125134054391. The next prime is 125134054433. The reversal of 125134054420 is 24450431521.

It can be written as a sum of positive squares in 2 ways, for example, as 19199427844 + 105934626576 = 138562^2 + 325476^2 .

It is a super-4 number, since 4×125134054420⁴ (a number of 45 digits) contains 4444 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3128351341 + ... + 3128351380.

It is an arithmetic number, because the mean of its divisors is an integer number (21898459527).

Almost surely, 2^125134054420 is an apocalyptic number.

125134054420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

125134054420 is an abundant number, since it is smaller than the sum of its proper divisors (137647459904).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

125134054420 is a wasteful number, since it uses less digits than its factorization.

125134054420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6256702730 (or 6256702728 counting only the distinct ones).

The product of its (nonzero) digits is 19200, while the sum is 31.

Adding to 125134054420 its reverse (24450431521), we get a palindrome (149584485941).

The spelling of 125134054420 in words is "one hundred twenty-five billion, one hundred thirty-four million, fifty-four thousand, four hundred twenty".