125050031 has 2 divisors, whose sum is σ = 125050032. Its totient is φ = 125050030.

The previous prime is 125050027. The next prime is 125050069. The reversal of 125050031 is 130050521.

It is a weak prime.

It is an emirp because it is prime and its reverse (130050521) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 125050031 - 2² = 125050027 is a prime.

It is a super-2 number, since 2×125050031² = 31275020506201922, which contains 22 as substring.

It is a Sophie Germain prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 125049991 and 125050009.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (125050091) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 62525015 + 62525016.

It is an arithmetic number, because the mean of its divisors is an integer number (62525016).

Almost surely, 2^125050031 is an apocalyptic number.

125050031 is a deficient number, since it is larger than the sum of its proper divisors (1).

125050031 is an equidigital number, since it uses as much as digits as its factorization.

125050031 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 150, while the sum is 17.

The square root of 125050031 is about 11182.5771179992. The cubic root of 125050031 is about 500.0666991021.

The spelling of 125050031 in words is "one hundred twenty-five million, fifty thousand, thirty-one".