125288111 has 8 divisors (see below), whose sum is σ = 138064080. Its totient is φ = 112960512.

The previous prime is 125288101. The next prime is 125288129. The reversal of 125288111 is 111882521.

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 125288111 - 2⁶ = 125288047 is a prime.

It is a super-2 number, since 2×125288111² = 31394221515896642, 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 (125288101) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 111506 + ... + 112623.

It is an arithmetic number, because the mean of its divisors is an integer number (17258010).

Almost surely, 2^125288111 is an apocalyptic number.

125288111 is a deficient number, since it is larger than the sum of its proper divisors (12775969).

125288111 is a wasteful number, since it uses less digits than its factorization.

125288111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 224185.

The product of its digits is 1280, while the sum is 29.

The square root of 125288111 is about 11193.2171872076. The cubic root of 125288111 is about 500.3838532380.

The spelling of 125288111 in words is "one hundred twenty-five million, two hundred eighty-eight thousand, one hundred eleven".