125201401 has 8 divisors (see below), whose sum is σ = 136027080. Its totient is φ = 114546432.

The previous prime is 125201387. The next prime is 125201429. The reversal of 125201401 is 104102521.

It can be written as a sum of positive squares in 4 ways, for example, as 767376 + 124434025 = 876^2 + 11155^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a de Polignac number, because none of the positive numbers 2^k-125201401 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (125201201) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 41146 + ... + 44083.

It is an arithmetic number, because the mean of its divisors is an integer number (17003385).

Almost surely, 2^125201401 is an apocalyptic number.

It is an amenable number.

125201401 is a deficient number, since it is larger than the sum of its proper divisors (10825679).

125201401 is a wasteful number, since it uses less digits than its factorization.

125201401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 85355.

The product of its (nonzero) digits is 80, while the sum is 16.

The square root of 125201401 is about 11189.3431889455. The cubic root of 125201401 is about 500.2683905739.

Adding to 125201401 its reverse (104102521), we get a palindrome (229303922).

The spelling of 125201401 in words is "one hundred twenty-five million, two hundred one thousand, four hundred one".