120106231 has 8 divisors (see below), whose sum is σ = 138479904. Its totient is φ = 102036480.

The previous prime is 120106211. The next prime is 120106249. The reversal of 120106231 is 132601021.

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

It is not a de Polignac number, because 120106231 - 2⁵ = 120106199 is a prime.

It is a super-2 number, since 2×120106231² = 28851013450050722, 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 (120106211) 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, 75130 + ... + 76711.

It is an arithmetic number, because the mean of its divisors is an integer number (17309988).

Almost surely, 2^120106231 is an apocalyptic number.

120106231 is a deficient number, since it is larger than the sum of its proper divisors (18373673).

120106231 is a wasteful number, since it uses less digits than its factorization.

120106231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 151961.

The product of its (nonzero) digits is 72, while the sum is 16.

The square root of 120106231 is about 10959.2988370607. The cubic root of 120106231 is about 493.3879209238.

Adding to 120106231 its reverse (132601021), we get a palindrome (252707252).

The spelling of 120106231 in words is "one hundred twenty million, one hundred six thousand, two hundred thirty-one".