125773761 has 4 divisors (see below), whose sum is σ = 167698352. Its totient is φ = 83849172.

The previous prime is 125773759. The next prime is 125773763. The reversal of 125773761 is 167377521.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is an interprime number because it is at equal distance from previous prime (125773759) and next prime (125773763).

It is not a de Polignac number, because 125773761 - 2¹ = 125773759 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (125773763) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20962291 + ... + 20962296.

It is an arithmetic number, because the mean of its divisors is an integer number (41924588).

Almost surely, 2^125773761 is an apocalyptic number.

It is an amenable number.

125773761 is a deficient number, since it is larger than the sum of its proper divisors (41924591).

125773761 is an equidigital number, since it uses as much as digits as its factorization.

125773761 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41924590.

The product of its digits is 61740, while the sum is 39.

The square root of 125773761 is about 11214.8901465864. The cubic root of 125773761 is about 501.0295598911.

The spelling of 125773761 in words is "one hundred twenty-five million, seven hundred seventy-three thousand, seven hundred sixty-one".