125448401 has 4 divisors (see below), whose sum is σ = 135098292. Its totient is φ = 115798512.

The previous prime is 125448373. The next prime is 125448467. The reversal of 125448401 is 104844521.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 104844521 = 83 ⋅1263187.

It can be written as a sum of positive squares in 2 ways, for example, as 41267776 + 84180625 = 6424^2 + 9175^2 .

It is a cyclic number.

It is not a de Polignac number, because 125448401 - 2¹⁴ = 125432017 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (125445401) 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, 4824926 + ... + 4824951.

It is an arithmetic number, because the mean of its divisors is an integer number (33774573).

Almost surely, 2^125448401 is an apocalyptic number.

It is an amenable number.

125448401 is a deficient number, since it is larger than the sum of its proper divisors (9649891).

125448401 is an equidigital number, since it uses as much as digits as its factorization.

125448401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9649890.

The product of its (nonzero) digits is 5120, while the sum is 29.

The square root of 125448401 is about 11200.3750383637. The cubic root of 125448401 is about 500.5971545290.

The spelling of 125448401 in words is "one hundred twenty-five million, four hundred forty-eight thousand, four hundred one".