120108261 has 24 divisors (see below), whose sum is σ = 200623584. Its totient is φ = 63352800.

The previous prime is 120108251. The next prime is 120108271. The reversal of 120108261 is 162801021.

It is an interprime number because it is at equal distance from previous prime (120108251) and next prime (120108271).

It is not a de Polignac number, because 120108261 - 2⁷ = 120108133 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120108211) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 29515 + ... + 33336.

It is an arithmetic number, because the mean of its divisors is an integer number (8359316).

Almost surely, 2^120108261 is an apocalyptic number.

It is an amenable number.

120108261 is a deficient number, since it is larger than the sum of its proper divisors (80515323).

120108261 is a wasteful number, since it uses less digits than its factorization.

120108261 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 62881 (or 62874 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 21.

The square root of 120108261 is about 10959.3914520835. The cubic root of 120108261 is about 493.3907006070.

Adding to 120108261 its reverse (162801021), we get a palindrome (282909282).

The spelling of 120108261 in words is "one hundred twenty million, one hundred eight thousand, two hundred sixty-one".