125610261 has 8 divisors (see below), whose sum is σ = 191406144. Its totient is φ = 71777280.

The previous prime is 125610259. The next prime is 125610271. The reversal of 125610261 is 162016521.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 125610261 - 2¹ = 125610259 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (125610211) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2990700 + ... + 2990741.

It is an arithmetic number, because the mean of its divisors is an integer number (23925768).

Almost surely, 2^125610261 is an apocalyptic number.

It is an amenable number.

125610261 is a deficient number, since it is larger than the sum of its proper divisors (65795883).

125610261 is an equidigital number, since it uses as much as digits as its factorization.

125610261 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5981451.

The product of its (nonzero) digits is 720, while the sum is 24.

The square root of 125610261 is about 11207.5983600413. The cubic root of 125610261 is about 500.8123607585.

Adding to 125610261 its reverse (162016521), we get a palindrome (287626782).

The spelling of 125610261 in words is "one hundred twenty-five million, six hundred ten thousand, two hundred sixty-one".