122332540 has 48 divisors (see below), whose sum is σ = 286239744. Its totient is φ = 43534400.

The previous prime is 122332537. The next prime is 122332559. The reversal of 122332540 is 45233221.

It is a Harshad number since it is a multiple of its sum of digits (22).

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, 4425 + ... + 16255.

It is an arithmetic number, because the mean of its divisors is an integer number (5963328).

Almost surely, 2^122332540 is an apocalyptic number.

122332540 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 122332540, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (143119872).

122332540 is an abundant number, since it is smaller than the sum of its proper divisors (163907204).

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

122332540 is a wasteful number, since it uses less digits than its factorization.

122332540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11898 (or 11896 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 22.

The square root of 122332540 is about 11060.4041517478. The cubic root of 122332540 is about 496.4177834059.

Adding to 122332540 its reverse (45233221), we get a palindrome (167565761).

The spelling of 122332540 in words is "one hundred twenty-two million, three hundred thirty-two thousand, five hundred forty".