125654 has 4 divisors (see below), whose sum is σ = 188484. Its totient is φ = 62826.

The previous prime is 125651. The next prime is 125659. The reversal of 125654 is 456521.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 456521 = 13 ⋅35117.

It is an alternating number because its digits alternate between odd and even.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 125654.

It is not an unprimeable number, because it can be changed into a prime (125651) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 31412 + ... + 31415.

It is an arithmetic number, because the mean of its divisors is an integer number (47121).

2¹²⁵⁶⁵⁴ is an apocalyptic number.

125654 is a deficient number, since it is larger than the sum of its proper divisors (62830).

125654 is an equidigital number, since it uses as much as digits as its factorization.

125654 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 62829.

The product of its digits is 1200, while the sum is 23.

The square root of 125654 is about 354.4770796540. The cubic root of 125654 is about 50.0870483637.

The spelling of 125654 in words is "one hundred twenty-five thousand, six hundred fifty-four".