120842507 has 8 divisors (see below), whose sum is σ = 125213040. Its totient is φ = 116485600.

The previous prime is 120842459. The next prime is 120842531. The reversal of 120842507 is 705248021.

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

It is a cyclic number.

It is not a de Polignac number, because 120842507 - 2⁸ = 120842251 is a prime.

It is a super-2 number, since 2×120842507² = 29205822996090098, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (29).

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 120842507.

It is not an unprimeable number, because it can be changed into a prime (120842567) 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, 16757 + ... + 22857.

It is an arithmetic number, because the mean of its divisors is an integer number (15651630).

Almost surely, 2^120842507 is an apocalyptic number.

120842507 is a deficient number, since it is larger than the sum of its proper divisors (4370533).

120842507 is an equidigital number, since it uses as much as digits as its factorization.

With its successor (120842508) it forms an eRAP, since the sums of their prime factors are consecutive (6813 and 6814).

120842507 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6813.

The product of its (nonzero) digits is 4480, while the sum is 29.

The square root of 120842507 is about 10992.8388962997. The cubic root of 120842507 is about 494.3940577232.

The spelling of 120842507 in words is "one hundred twenty million, eight hundred forty-two thousand, five hundred seven".