125964401 has 2 divisors, whose sum is σ = 125964402. Its totient is φ = 125964400.

The previous prime is 125964383. The next prime is 125964403. The reversal of 125964401 is 104469521.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 119333776 + 6630625 = 10924^2 + 2575^2 .

It is a cyclic number.

It is not a de Polignac number, because 125964401 - 2⁶ = 125964337 is a prime.

Together with 125964403, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (125964403) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 62982200 + 62982201.

It is an arithmetic number, because the mean of its divisors is an integer number (62982201).

Almost surely, 2^125964401 is an apocalyptic number.

It is an amenable number.

125964401 is a deficient number, since it is larger than the sum of its proper divisors (1).

125964401 is an equidigital number, since it uses as much as digits as its factorization.

125964401 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 8640, while the sum is 32.

The square root of 125964401 is about 11223.3863428112. The cubic root of 125964401 is about 501.2825751887.

The spelling of 125964401 in words is "one hundred twenty-five million, nine hundred sixty-four thousand, four hundred one".