125782077 has 8 divisors (see below), whose sum is σ = 173492640. Its totient is φ = 80963120.

The previous prime is 125782057. The next prime is 125782079. The reversal of 125782077 is 770287521.

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 125782077 - 2⁷ = 125781949 is a prime.

It is a super-2 number, since 2×125782077² = 31642261788867858, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (125782079) 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 7 ways as a sum of consecutive naturals, for example, 722799 + ... + 722972.

It is an arithmetic number, because the mean of its divisors is an integer number (21686580).

Almost surely, 2^125782077 is an apocalyptic number.

It is an amenable number.

125782077 is a deficient number, since it is larger than the sum of its proper divisors (47710563).

125782077 is a wasteful number, since it uses less digits than its factorization.

125782077 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1445803.

The product of its (nonzero) digits is 54880, while the sum is 39.

The square root of 125782077 is about 11215.2608975449. The cubic root of 125782077 is about 501.0406021253.

The spelling of 125782077 in words is "one hundred twenty-five million, seven hundred eighty-two thousand, seventy-seven".