125622407 has 2 divisors, whose sum is σ = 125622408. Its totient is φ = 125622406.

The previous prime is 125622377. The next prime is 125622421. The reversal of 125622407 is 704226521.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 125622407 - 2¹⁰ = 125621383 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 125622407.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (125622457) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 62811203 + 62811204.

It is an arithmetic number, because the mean of its divisors is an integer number (62811204).

Almost surely, 2^125622407 is an apocalyptic number.

125622407 is a deficient number, since it is larger than the sum of its proper divisors (1).

125622407 is an equidigital number, since it uses as much as digits as its factorization.

125622407 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6720, while the sum is 29.

The square root of 125622407 is about 11208.1402114713. The cubic root of 125622407 is about 500.8285024093.

Adding to 125622407 its reverse (704226521), we get a palindrome (829848928).

The spelling of 125622407 in words is "one hundred twenty-five million, six hundred twenty-two thousand, four hundred seven".