125720783 has 16 divisors (see below), whose sum is σ = 135512256. Its totient is φ = 116328960.

The previous prime is 125720767. The next prime is 125720789. The reversal of 125720783 is 387027521.

It is a cyclic number.

It is not a de Polignac number, because 125720783 - 2⁴ = 125720767 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 (125720789) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 204785 + ... + 205397.

It is an arithmetic number, because the mean of its divisors is an integer number (8469516).

Almost surely, 2^125720783 is an apocalyptic number.

125720783 is a deficient number, since it is larger than the sum of its proper divisors (9791473).

125720783 is a wasteful number, since it uses less digits than its factorization.

125720783 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 914.

The product of its (nonzero) digits is 23520, while the sum is 35.

The square root of 125720783 is about 11212.5279486831. The cubic root of 125720783 is about 500.9592026837.

The spelling of 125720783 in words is "one hundred twenty-five million, seven hundred twenty thousand, seven hundred eighty-three".