91125029 has 8 divisors (see below), whose sum is σ = 91800192. Its totient is φ = 90452880.

The previous prime is 91125017. The next prime is 91125031. The reversal of 91125029 is 92052119.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-91125029 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 91124992 and 91125010.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (91125059) 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, 110312 + ... + 111134.

It is an arithmetic number, because the mean of its divisors is an integer number (11475024).

Almost surely, 2^91125029 is an apocalyptic number.

It is an amenable number.

91125029 is a deficient number, since it is larger than the sum of its proper divisors (675163).

91125029 is a wasteful number, since it uses less digits than its factorization.

91125029 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1507.

The product of its (nonzero) digits is 1620, while the sum is 29.

The square root of 91125029 is about 9545.9430649884. The cubic root of 91125029 is about 450.0000477366. Note that the first 4 decimals are identical.

Subtracting from 91125029 its sum of digits (29), we obtain a cube (91125000 = 450³).

It can be divided in two parts, 9112 and 5029, that added together give a palindrome (14141).

The spelling of 91125029 in words is "ninety-one million, one hundred twenty-five thousand, twenty-nine".