125752061 has 4 divisors (see below), whose sum is σ = 127048572. Its totient is φ = 124455552.

The previous prime is 125752057. The next prime is 125752097. The reversal of 125752061 is 160257521.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 160257521 = 17 ⋅9426913.

It can be written as a sum of positive squares in 2 ways, for example, as 101888836 + 23863225 = 10094^2 + 4885^2 .

It is a cyclic number.

It is not a de Polignac number, because 125752061 - 2² = 125752057 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (125752031) 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, 648110 + ... + 648303.

It is an arithmetic number, because the mean of its divisors is an integer number (31762143).

Almost surely, 2^125752061 is an apocalyptic number.

It is an amenable number.

125752061 is a deficient number, since it is larger than the sum of its proper divisors (1296511).

125752061 is an equidigital number, since it uses as much as digits as its factorization.

125752061 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1296510.

The product of its (nonzero) digits is 4200, while the sum is 29.

The square root of 125752061 is about 11213.9226410744. The cubic root of 125752061 is about 501.0007436878. Note that the first 3 decimals are identical.

The spelling of 125752061 in words is "one hundred twenty-five million, seven hundred fifty-two thousand, sixty-one".