842357125 has 8 divisors (see below), whose sum is σ = 1051261848. Its totient is φ = 673885600.

The previous prime is 842357099. The next prime is 842357137. The reversal of 842357125 is 521753248.

It can be written as a sum of positive squares in 4 ways, for example, as 3617604 + 838739521 = 1902^2 + 28961^2 .

It is not a de Polignac number, because 842357125 - 2¹³ = 842348933 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3369304 + ... + 3369553.

It is an arithmetic number, because the mean of its divisors is an integer number (131407731).

Almost surely, 2^842357125 is an apocalyptic number.

It is an amenable number.

842357125 is a deficient number, since it is larger than the sum of its proper divisors (208904723).

842357125 is an equidigital number, since it uses as much as digits as its factorization.

842357125 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6738872 (or 6738862 counting only the distinct ones).

The product of its digits is 67200, while the sum is 37.

The square root of 842357125 is about 29023.3892748590. The cubic root of 842357125 is about 944.4205269478.

The spelling of 842357125 in words is "eight hundred forty-two million, three hundred fifty-seven thousand, one hundred twenty-five".