125982783 has 10 divisors (see below), whose sum is σ = 188196624. Its totient is φ = 83988468.

The previous prime is 125982761. The next prime is 125982797. The reversal of 125982783 is 387289521.

It is a happy number.

It is not a de Polignac number, because 125982783 - 2⁹ = 125982271 is a prime.

It is a super-2 number, since 2×125982783² = 31743323224850178, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (125982083) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 777591 + ... + 777752.

Almost surely, 2^125982783 is an apocalyptic number.

125982783 is a deficient number, since it is larger than the sum of its proper divisors (62213841).

125982783 is an equidigital number, since it uses as much as digits as its factorization.

125982783 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1555355 (or 1555346 counting only the distinct ones).

The product of its digits is 241920, while the sum is 45.

The square root of 125982783 is about 11224.2052279883. The cubic root of 125982783 is about 501.3069580779.

The spelling of 125982783 in words is "one hundred twenty-five million, nine hundred eighty-two thousand, seven hundred eighty-three".