125546361 has 4 divisors (see below), whose sum is σ = 167395152. Its totient is φ = 83697572.

The previous prime is 125546359. The next prime is 125546363. The reversal of 125546361 is 163645521.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is an interprime number because it is at equal distance from previous prime (125546359) and next prime (125546363).

It is a cyclic number.

It is not a de Polignac number, because 125546361 - 2¹ = 125546359 is a prime.

It is a super-3 number, since 3×125546361³ (a number of 25 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (125546363) 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, 20924391 + ... + 20924396.

It is an arithmetic number, because the mean of its divisors is an integer number (41848788).

Almost surely, 2^125546361 is an apocalyptic number.

It is an amenable number.

125546361 is a deficient number, since it is larger than the sum of its proper divisors (41848791).

125546361 is an equidigital number, since it uses as much as digits as its factorization.

125546361 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41848790.

The product of its digits is 21600, while the sum is 33.

The square root of 125546361 is about 11204.7472528389. The cubic root of 125546361 is about 500.7274225330.

It can be divided in two parts, 12554 and 6361, that added together give a triangular number (18915 = T₁₉₄).

The spelling of 125546361 in words is "one hundred twenty-five million, five hundred forty-six thousand, three hundred sixty-one".