120969808087 has 4 divisors (see below), whose sum is σ = 120971730880. Its totient is φ = 120967885296.

The previous prime is 120969808049. The next prime is 120969808121. The reversal of 120969808087 is 780808969021.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 780808969021 = 598151 ⋅1305371.

It is a cyclic number.

It is not a de Polignac number, because 120969808087 - 2²³ = 120961419479 is a prime.

It is a super-2 number, since 2×120969808087² (a number of 23 digits) 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 (120469808087) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 863718 + ... + 993955.

It is an arithmetic number, because the mean of its divisors is an integer number (30242932720).

Almost surely, 2^120969808087 is an apocalyptic number.

120969808087 is a deficient number, since it is larger than the sum of its proper divisors (1922793).

120969808087 is an equidigital number, since it uses as much as digits as its factorization.

120969808087 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1922792.

The product of its (nonzero) digits is 3483648, while the sum is 58.

The spelling of 120969808087 in words is "one hundred twenty billion, nine hundred sixty-nine million, eight hundred eight thousand, eighty-seven".