120861007 has 4 divisors (see below), whose sum is σ = 127970496. Its totient is φ = 113751520.

The previous prime is 120860963. The next prime is 120861029. The reversal of 120861007 is 700168021.

120861007 is nontrivially palindromic in base 8.

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 120861007 - 2¹⁹ = 120336719 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120811007) 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, 3554719 + ... + 3554752.

It is an arithmetic number, because the mean of its divisors is an integer number (31992624).

Almost surely, 2^120861007 is an apocalyptic number.

120861007 is a gapful number since it is divisible by the number (17) formed by its first and last digit.

120861007 is a deficient number, since it is larger than the sum of its proper divisors (7109489).

120861007 is an equidigital number, since it uses as much as digits as its factorization.

120861007 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7109488.

The product of its (nonzero) digits is 672, while the sum is 25.

The square root of 120861007 is about 10993.6803209844. The cubic root of 120861007 is about 494.4192856655.

The spelling of 120861007 in words is "one hundred twenty million, eight hundred sixty-one thousand, seven".