122321040 has 160 divisors (see below), whose sum is σ = 401974272. Its totient is φ = 30720000.

The previous prime is 122321033. The next prime is 122321051. The reversal of 122321040 is 40123221.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 304840 + ... + 305240.

Almost surely, 2^122321040 is an apocalyptic number.

122321040 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 122321040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (200987136).

122321040 is an abundant number, since it is smaller than the sum of its proper divisors (279653232).

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

122321040 is a wasteful number, since it uses less digits than its factorization.

122321040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 489 (or 483 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 15.

The square root of 122321040 is about 11059.8842670256. The cubic root of 122321040 is about 496.4022274919.

Adding to 122321040 its reverse (40123221), we get a palindrome (162444261).

The spelling of 122321040 in words is "one hundred twenty-two million, three hundred twenty-one thousand, forty".