106125491 has 4 divisors (see below), whose sum is σ = 106306872. Its totient is φ = 105944112.

The previous prime is 106125463. The next prime is 106125499. The reversal of 106125491 is 194521601.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 106125491 - 2¹⁰ = 106124467 is a prime.

It is a super-2 number, since 2×106125491² = 22525239679982162, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (106125499) 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, 89810 + ... + 90983.

It is an arithmetic number, because the mean of its divisors is an integer number (26576718).

Almost surely, 2^106125491 is an apocalyptic number.

106125491 is a deficient number, since it is larger than the sum of its proper divisors (181381).

106125491 is an equidigital number, since it uses as much as digits as its factorization.

106125491 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 181380.

The product of its (nonzero) digits is 2160, while the sum is 29.

The square root of 106125491 is about 10301.7227200114. The cubic root of 106125491 is about 473.4490369904.

The spelling of 106125491 in words is "one hundred six million, one hundred twenty-five thousand, four hundred ninety-one".