125476289 has 2 divisors, whose sum is σ = 125476290. Its totient is φ = 125476288.

The previous prime is 125476283. The next prime is 125476333. The reversal of 125476289 is 982674521.

It is a happy number.

It is an a-pointer prime, because the next prime (125476333) can be obtained adding 125476289 to its sum of digits (44).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 124701889 + 774400 = 11167^2 + 880^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-125476289 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (125476283) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 62738144 + 62738145.

It is an arithmetic number, because the mean of its divisors is an integer number (62738145).

Almost surely, 2^125476289 is an apocalyptic number.

It is an amenable number.

125476289 is a deficient number, since it is larger than the sum of its proper divisors (1).

125476289 is an equidigital number, since it uses as much as digits as its factorization.

125476289 is an evil number, because the sum of its binary digits is even.

The product of its digits is 241920, while the sum is 44.

The square root of 125476289 is about 11201.6199274926. The cubic root of 125476289 is about 500.6342471210.

The spelling of 125476289 in words is "one hundred twenty-five million, four hundred seventy-six thousand, two hundred eighty-nine".