125619983 has 2 divisors, whose sum is σ = 125619984. Its totient is φ = 125619982.

The previous prime is 125619979. The next prime is 125620009. The reversal of 125619983 is 389916521.

It is a happy number.

It is a weak prime.

It is an emirp because it is prime and its reverse (389916521) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 125619983 - 2² = 125619979 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (125619913) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 62809991 + 62809992.

It is an arithmetic number, because the mean of its divisors is an integer number (62809992).

Almost surely, 2^125619983 is an apocalyptic number.

125619983 is a deficient number, since it is larger than the sum of its proper divisors (1).

125619983 is an equidigital number, since it uses as much as digits as its factorization.

125619983 is an evil number, because the sum of its binary digits is even.

The product of its digits is 116640, while the sum is 44.

The square root of 125619983 is about 11208.0320752575. The cubic root of 125619983 is about 500.8252810728.

The spelling of 125619983 in words is "one hundred twenty-five million, six hundred nineteen thousand, nine hundred eighty-three".