125783445 has 8 divisors (see below), whose sum is σ = 201253536. Its totient is φ = 67084496.

The previous prime is 125783423. The next prime is 125783491. The reversal of 125783445 is 544387521.

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 125783445 - 2⁹ = 125782933 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4192767 + ... + 4192796.

It is an arithmetic number, because the mean of its divisors is an integer number (25156692).

Almost surely, 2^125783445 is an apocalyptic number.

125783445 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

125783445 is a deficient number, since it is larger than the sum of its proper divisors (75470091).

125783445 is an equidigital number, since it uses as much as digits as its factorization.

125783445 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8385571.

The product of its digits is 134400, while the sum is 39.

The square root of 125783445 is about 11215.3218857062. The cubic root of 125783445 is about 501.0424185502.

The spelling of 125783445 in words is "one hundred twenty-five million, seven hundred eighty-three thousand, four hundred forty-five".