122378240 has 192 divisors, whose sum is σ = 336117600. Its totient is φ = 42467328.

The previous prime is 122378237. The next prime is 122378251. The reversal of 122378240 is 42873221.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3307502 + ... + 3307538.

Almost surely, 2^122378240 is an apocalyptic number.

122378240 is a gapful number since it is divisible by the number (10) 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 122378240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (168058800).

122378240 is an abundant number, since it is smaller than the sum of its proper divisors (213739360).

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

122378240 is a wasteful number, since it uses less digits than its factorization.

122378240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 100 (or 80 counting only the distinct ones).

The product of its (nonzero) digits is 5376, while the sum is 29.

The square root of 122378240 is about 11062.4698869647. The cubic root of 122378240 is about 496.4795916222.

The spelling of 122378240 in words is "one hundred twenty-two million, three hundred seventy-eight thousand, two hundred forty".