125406201 has 4 divisors (see below), whose sum is σ = 167208272. Its totient is φ = 83604132.

The previous prime is 125406181. The next prime is 125406221. The reversal of 125406201 is 102604521.

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 (125406181) and next prime (125406221).

It is not a de Polignac number, because 125406201 - 2²² = 121211897 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (125406221) 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, 20901031 + ... + 20901036.

It is an arithmetic number, because the mean of its divisors is an integer number (41802068).

Almost surely, 2^125406201 is an apocalyptic number.

It is an amenable number.

125406201 is a deficient number, since it is larger than the sum of its proper divisors (41802071).

125406201 is an equidigital number, since it uses as much as digits as its factorization.

125406201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41802070.

The product of its (nonzero) digits is 480, while the sum is 21.

The square root of 125406201 is about 11198.4910144180. The cubic root of 125406201 is about 500.5410157262.

The spelling of 125406201 in words is "one hundred twenty-five million, four hundred six thousand, two hundred one".