125202001 has 4 divisors (see below), whose sum is σ = 131791600. Its totient is φ = 118612404.

The previous prime is 125201983. The next prime is 125202013. The reversal of 125202001 is 100202521.

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, and also an emirpimes, since its reverse is a distinct semiprime: 100202521 = 271 ⋅369751.

It is a cyclic number.

It is not a de Polignac number, because 125202001 - 2⁷ = 125201873 is a prime.

It is not an unprimeable number, because it can be changed into a prime (125202101) 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, 3294771 + ... + 3294808.

It is an arithmetic number, because the mean of its divisors is an integer number (32947900).

Almost surely, 2^125202001 is an apocalyptic number.

It is an amenable number.

125202001 is a deficient number, since it is larger than the sum of its proper divisors (6589599).

125202001 is an equidigital number, since it uses as much as digits as its factorization.

125202001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6589598.

The product of its (nonzero) digits is 40, while the sum is 13.

The square root of 125202001 is about 11189.3700001385. The cubic root of 125202001 is about 500.2691897145.

Adding to 125202001 its reverse (100202521), we get a palindrome (225404522).

The spelling of 125202001 in words is "one hundred twenty-five million, two hundred two thousand, one".