122001240 has 128 divisors (see below), whose sum is σ = 379753920. Its totient is φ = 31334400.

The previous prime is 122001221. The next prime is 122001259. The reversal of 122001240 is 42100221.

It is an interprime number because it is at equal distance from previous prime (122001221) and next prime (122001259).

It is a Harshad number since it is a multiple of its sum of digits (12).

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, 673950 + ... + 674130.

Almost surely, 2^122001240 is an apocalyptic number.

122001240 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 122001240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (189876960).

122001240 is an abundant number, since it is smaller than the sum of its proper divisors (257752680).

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

122001240 is a wasteful number, since it uses less digits than its factorization.

122001240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 373 (or 369 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 12.

The square root of 122001240 is about 11045.4171492072. The cubic root of 122001240 is about 495.9692467058.

Adding to 122001240 its reverse (42100221), we get a palindrome (164101461).

The spelling of 122001240 in words is "one hundred twenty-two million, one thousand, two hundred forty".