125246549 has 4 divisors (see below), whose sum is σ = 125536236. Its totient is φ = 124956864.

The previous prime is 125246543. The next prime is 125246551. The reversal of 125246549 is 945642521.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 38663524 + 86583025 = 6218^2 + 9305^2 .

It is a cyclic number.

It is not a de Polignac number, because 125246549 - 2⁴ = 125246533 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (125246543) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 144194 + ... + 145059.

It is an arithmetic number, because the mean of its divisors is an integer number (31384059).

Almost surely, 2^125246549 is an apocalyptic number.

It is an amenable number.

125246549 is a deficient number, since it is larger than the sum of its proper divisors (289687).

125246549 is an equidigital number, since it uses as much as digits as its factorization.

125246549 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 289686.

The product of its digits is 86400, while the sum is 38.

The square root of 125246549 is about 11191.3604624281. The cubic root of 125246549 is about 500.3285161071.

The spelling of 125246549 in words is "one hundred twenty-five million, two hundred forty-six thousand, five hundred forty-nine".