125470531 has 2 divisors, whose sum is σ = 125470532. Its totient is φ = 125470530.

The previous prime is 125470529. The next prime is 125470573. The reversal of 125470531 is 135074521.

It is a happy number.

It is a weak prime.

It is an emirp because it is prime and its reverse (135074521) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 125470531 - 2¹ = 125470529 is a prime.

It is a super-2 number, since 2×125470531² = 31485708298843922, which contains 22 as substring.

Together with 125470529, it forms a pair of twin primes.

It is a self number, because there is not a number n which added to its sum of digits gives 125470531.

It is not a weakly prime, because it can be changed into another prime (125470231) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 62735265 + 62735266.

It is an arithmetic number, because the mean of its divisors is an integer number (62735266).

Almost surely, 2^125470531 is an apocalyptic number.

125470531 is a deficient number, since it is larger than the sum of its proper divisors (1).

125470531 is an equidigital number, since it uses as much as digits as its factorization.

125470531 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4200, while the sum is 28.

The square root of 125470531 is about 11201.3629081465. The cubic root of 125470531 is about 500.6265891108.

The spelling of 125470531 in words is "one hundred twenty-five million, four hundred seventy thousand, five hundred thirty-one".