120777804 has 168 divisors, whose sum is σ = 371899808. Its totient is φ = 33592320.

The previous prime is 120777799. The next prime is 120777869. The reversal of 120777804 is 408777021.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a polite number, since it can be written in 55 ways as a sum of consecutive naturals, for example, 1245084 + ... + 1245180.

Almost surely, 2^120777804 is an apocalyptic number.

120777804 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 120777804, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (185949904).

120777804 is an abundant number, since it is smaller than the sum of its proper divisors (251122004).

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

120777804 is an equidigital number, since it uses as much as digits as its factorization.

120777804 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 187 (or 170 counting only the distinct ones).

The product of its (nonzero) digits is 21952, while the sum is 36.

The square root of 120777804 is about 10989.8955409048. The cubic root of 120777804 is about 494.3058037623.

It can be divided in two parts, 12077 and 7804, that added together give a square (19881 = 141²).

The spelling of 120777804 in words is "one hundred twenty million, seven hundred seventy-seven thousand, eight hundred four".