120777560 has 32 divisors (see below), whose sum is σ = 276210000. Its totient is φ = 47518080.

The previous prime is 120777557. The next prime is 120777563. The reversal of 120777560 is 65777021.

It is an interprime number because it is at equal distance from previous prime (120777557) and next prime (120777563).

It is a self number, because there is not a number n which added to its sum of digits gives 120777560.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120777563) 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, 22310 + ... + 27189.

Almost surely, 2^120777560 is an apocalyptic number.

120777560 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

120777560 is an abundant number, since it is smaller than the sum of its proper divisors (155432440).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

120777560 is a wasteful number, since it uses less digits than its factorization.

120777560 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49571 (or 49567 counting only the distinct ones).

The product of its (nonzero) digits is 20580, while the sum is 35.

The square root of 120777560 is about 10989.8844397928. The cubic root of 120777560 is about 494.3054708901.

The spelling of 120777560 in words is "one hundred twenty million, seven hundred seventy-seven thousand, five hundred sixty".