867238125 has 80 divisors (see below), whose sum is σ = 1591290624. Its totient is φ = 417312000.

The previous prime is 867238121. The next prime is 867238129. The reversal of 867238125 is 521832768.

It is an interprime number because it is at equal distance from previous prime (867238121) and next prime (867238129).

It is not a de Polignac number, because 867238125 - 2² = 867238121 is a prime.

It is a hoax number, since the sum of its digits (42) coincides with the sum of the digits of its distinct prime factors.

Its product of digits (161280) is a multiple of the sum of its prime factors (840).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (867238121) by changing a digit.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 1145247 + ... + 1146003.

Almost surely, 2^867238125 is an apocalyptic number.

It is an amenable number.

867238125 is a deficient number, since it is larger than the sum of its proper divisors (724052499).

867238125 is a wasteful number, since it uses less digits than its factorization.

867238125 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 840 (or 825 counting only the distinct ones).

The product of its digits is 161280, while the sum is 42.

The square root of 867238125 is about 29448.9070255587. The cubic root of 867238125 is about 953.6290096145.

The spelling of 867238125 in words is "eight hundred sixty-seven million, two hundred thirty-eight thousand, one hundred twenty-five".