122052540 has 24 divisors (see below), whose sum is σ = 341747280. Its totient is φ = 32547328.

The previous prime is 122052527. The next prime is 122052547. The reversal of 122052540 is 45250221.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122052547) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1017045 + ... + 1017164.

It is an arithmetic number, because the mean of its divisors is an integer number (14239470).

Almost surely, 2^122052540 is an apocalyptic number.

122052540 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

122052540 is an abundant number, since it is smaller than the sum of its proper divisors (219694740).

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

122052540 is a wasteful number, since it uses less digits than its factorization.

122052540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2034221 (or 2034219 counting only the distinct ones).

The product of its (nonzero) digits is 800, while the sum is 21.

The square root of 122052540 is about 11047.7391352258. The cubic root of 122052540 is about 496.0387532589.

The spelling of 122052540 in words is "one hundred twenty-two million, fifty-two thousand, five hundred forty".