125112511 has 8 divisors (see below), whose sum is σ = 131824880. Its totient is φ = 118412928.

The previous prime is 125112451. The next prime is 125112523. The reversal of 125112511 is 115211521.

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 125112511 - 2¹³ = 125104319 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (19).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (125112541) 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, 22105 + ... + 27181.

It is an arithmetic number, because the mean of its divisors is an integer number (16478110).

Almost surely, 2^125112511 is an apocalyptic number.

125112511 is a deficient number, since it is larger than the sum of its proper divisors (6712369).

125112511 is a wasteful number, since it uses less digits than its factorization.

125112511 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6393.

The product of its digits is 100, while the sum is 19.

The square root of 125112511 is about 11185.3704006618. The cubic root of 125112511 is about 500.1499696804.

The spelling of 125112511 in words is "one hundred twenty-five million, one hundred twelve thousand, five hundred eleven".