125167842 has 42 divisors (see below), whose sum is σ = 282462897. Its totient is φ = 41580216.

The previous prime is 125167841. The next prime is 125167843. The reversal of 125167842 is 248761521.

It is an interprime number because it is at equal distance from previous prime (125167841) and next prime (125167843).

It can be written as a sum of positive squares in 2 ways, for example, as 90839961 + 34327881 = 9531^2 + 5859^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=7911.

It is a junction number, because it is equal to n+sod(n) for n = 125167797 and 125167806.

It is not an unprimeable number, because it can be changed into a prime (125167841) by changing a digit.

It is a polite number, since it can be written in 20 ways as a sum of consecutive naturals, for example, 427048 + ... + 427340.

Almost surely, 2^125167842 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 125167842

125167842 is an abundant number, since it is smaller than the sum of its proper divisors (157295055).

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

125167842 is an frugal number, since it uses more digits than its factorization.

125167842 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 606 (or 298 counting only the distinct ones).

The product of its digits is 26880, while the sum is 36.

The square root of 125167842 is about 11187.8434919336. The cubic root of 125167842 is about 500.2236892447.

The spelling of 125167842 in words is "one hundred twenty-five million, one hundred sixty-seven thousand, eight hundred forty-two".