125335031 has 2 divisors, whose sum is σ = 125335032. Its totient is φ = 125335030.

The previous prime is 125335009. The next prime is 125335037. The reversal of 125335031 is 130533521.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 125335031 - 2¹⁸ = 125072887 is a prime.

It is a super-2 number, since 2×125335031² = 31417739991541922, which contains 22 as substring.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 125334988 and 125335006.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (125335037) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 62667515 + 62667516.

It is an arithmetic number, because the mean of its divisors is an integer number (62667516).

Almost surely, 2^125335031 is an apocalyptic number.

125335031 is a deficient number, since it is larger than the sum of its proper divisors (1).

125335031 is an equidigital number, since it uses as much as digits as its factorization.

125335031 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1350, while the sum is 23.

The square root of 125335031 is about 11195.3129031751. The cubic root of 125335031 is about 500.4463094971.

Adding to 125335031 its reverse (130533521), we get a palindrome (255868552).

The spelling of 125335031 in words is "one hundred twenty-five million, three hundred thirty-five thousand, thirty-one".