125201311 has 8 divisors (see below), whose sum is σ = 133335504. Its totient is φ = 117152640.

The previous prime is 125201291. The next prime is 125201327. The reversal of 125201311 is 113102521.

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

It is a cyclic number.

It is not a de Polignac number, because 125201311 - 2²⁵ = 91646879 is a prime.

It is a super-2 number, since 2×125201311² = 31350736552237442, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (125201911) 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, 18345 + ... + 24226.

It is an arithmetic number, because the mean of its divisors is an integer number (16666938).

Almost surely, 2^125201311 is an apocalyptic number.

125201311 is a deficient number, since it is larger than the sum of its proper divisors (8134193).

125201311 is a wasteful number, since it uses less digits than its factorization.

125201311 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42761.

The product of its (nonzero) digits is 60, while the sum is 16.

The square root of 125201311 is about 11189.3391672610. The cubic root of 125201311 is about 500.2682707026.

Adding to 125201311 its reverse (113102521), we get a palindrome (238303832).

It can be divided in two parts, 12520 and 1311, that added together give a palindrome (13831).

The spelling of 125201311 in words is "one hundred twenty-five million, two hundred one thousand, three hundred eleven".