120661007 has 4 divisors (see below), whose sum is σ = 121383696. Its totient is φ = 119938320.

The previous prime is 120660997. The next prime is 120661109. The reversal of 120661007 is 700166021.

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 120661007 - 2¹⁰ = 120659983 is a prime.

It is a super-2 number, since 2×120661007² = 29118157220508098, 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 (120661907) 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, 361094 + ... + 361427.

It is an arithmetic number, because the mean of its divisors is an integer number (30345924).

Almost surely, 2^120661007 is an apocalyptic number.

120661007 is a deficient number, since it is larger than the sum of its proper divisors (722689).

120661007 is an equidigital number, since it uses as much as digits as its factorization.

120661007 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 722688.

The product of its (nonzero) digits is 504, while the sum is 23.

The square root of 120661007 is about 10984.5804198431. The cubic root of 120661007 is about 494.1464145002.

The spelling of 120661007 in words is "one hundred twenty million, six hundred sixty-one thousand, seven".