120678663469 has 32 divisors (see below), whose sum is σ = 149042073600. Its totient is φ = 95151844800.

The previous prime is 120678663449. The next prime is 120678663473. The reversal of 120678663469 is 964366876021.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 120678663469 - 2⁷ = 120678663341 is a prime.

It is a super-2 number, since 2×120678663469² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120678663449) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 66635574 + ... + 66637384.

It is an arithmetic number, because the mean of its divisors is an integer number (4657564800).

Almost surely, 2^120678663469 is an apocalyptic number.

It is an amenable number.

120678663469 is a deficient number, since it is larger than the sum of its proper divisors (28363410131).

120678663469 is a wasteful number, since it uses less digits than its factorization.

120678663469 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3961.

The product of its (nonzero) digits is 15676416, while the sum is 58.

The spelling of 120678663469 in words is "one hundred twenty billion, six hundred seventy-eight million, six hundred sixty-three thousand, four hundred sixty-nine".