124895 has 4 divisors (see below), whose sum is σ = 149880. Its totient is φ = 99912.

The previous prime is 124853. The next prime is 124897. The reversal of 124895 is 598421.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 124895 - 2¹⁶ = 59359 is a prime.

It is a super-2 number, since 2×124895² = 31197522050, which contains 22 as substring.

It is an Ulam number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (124897) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12485 + ... + 12494.

It is an arithmetic number, because the mean of its divisors is an integer number (37470).

2¹²⁴⁸⁹⁵ is an apocalyptic number.

124895 is a deficient number, since it is larger than the sum of its proper divisors (24985).

124895 is an equidigital number, since it uses as much as digits as its factorization.

124895 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24984.

The product of its digits is 2880, while the sum is 29.

The square root of 124895 is about 353.4048669727. The cubic root of 124895 is about 49.9859960782.

The spelling of 124895 in words is "one hundred twenty-four thousand, eight hundred ninety-five".