125154031 has 2 divisors, whose sum is σ = 125154032. Its totient is φ = 125154030.

The previous prime is 125154019. The next prime is 125154077. The reversal of 125154031 is 130451521.

It is a happy number.

It is a weak prime.

It is an emirp because it is prime and its reverse (130451521) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 125154031 - 2⁵ = 125153999 is a prime.

It is a super-2 number, since 2×125154031² = 31327062951097922, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 125153993 and 125154011.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (125154011) 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, 62577015 + 62577016.

It is an arithmetic number, because the mean of its divisors is an integer number (62577016).

Almost surely, 2^125154031 is an apocalyptic number.

125154031 is a deficient number, since it is larger than the sum of its proper divisors (1).

125154031 is an equidigital number, since it uses as much as digits as its factorization.

125154031 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 600, while the sum is 22.

The square root of 125154031 is about 11187.2262424606. The cubic root of 125154031 is about 500.2052903669.

The spelling of 125154031 in words is "one hundred twenty-five million, one hundred fifty-four thousand, thirty-one".