122077760 has 56 divisors (see below), whose sum is σ = 332232000. Its totient is φ = 41854464.

The previous prime is 122077741. The next prime is 122077771. The reversal of 122077760 is 67770221.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (56).

It is a Harshad number since it is a multiple of its sum of digits (32).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 25010 + ... + 29489.

Almost surely, 2^122077760 is an apocalyptic number.

122077760 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

122077760 is an abundant number, since it is smaller than the sum of its proper divisors (210154240).

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

122077760 is an equidigital number, since it uses as much as digits as its factorization.

122077760 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54523 (or 54513 counting only the distinct ones).

The product of its (nonzero) digits is 8232, while the sum is 32.

The square root of 122077760 is about 11048.8804862755. The cubic root of 122077760 is about 496.0729167861.

The spelling of 122077760 in words is "one hundred twenty-two million, seventy-seven thousand, seven hundred sixty".