125546507 has 2 divisors, whose sum is σ = 125546508. Its totient is φ = 125546506.

The previous prime is 125546501. The next prime is 125546521. The reversal of 125546507 is 705645521.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 125546507 - 2¹² = 125542411 is a prime.

It is not a weakly prime, because it can be changed into another prime (125546501) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 62773253 + 62773254.

It is an arithmetic number, because the mean of its divisors is an integer number (62773254).

Almost surely, 2^125546507 is an apocalyptic number.

125546507 is a deficient number, since it is larger than the sum of its proper divisors (1).

125546507 is an equidigital number, since it uses as much as digits as its factorization.

125546507 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 42000, while the sum is 35.

The square root of 125546507 is about 11204.7537679326. The cubic root of 125546507 is about 500.7276166344.

The spelling of 125546507 in words is "one hundred twenty-five million, five hundred forty-six thousand, five hundred seven".