125775461 has 8 divisors (see below), whose sum is σ = 145475904. Its totient is φ = 106508160.

The previous prime is 125775457. The next prime is 125775487. The reversal of 125775461 is 164577521.

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

It is a cyclic number.

It is not a de Polignac number, because 125775461 - 2² = 125775457 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (125775161) 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, 107660 + ... + 108821.

It is an arithmetic number, because the mean of its divisors is an integer number (18184488).

Almost surely, 2^125775461 is an apocalyptic number.

It is an amenable number.

125775461 is a deficient number, since it is larger than the sum of its proper divisors (19700443).

125775461 is an equidigital number, since it uses as much as digits as its factorization.

125775461 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 216571.

The product of its digits is 58800, while the sum is 38.

The square root of 125775461 is about 11214.9659384235. The cubic root of 125775461 is about 501.0318172417.

The spelling of 125775461 in words is "one hundred twenty-five million, seven hundred seventy-five thousand, four hundred sixty-one".