122002540 has 48 divisors (see below), whose sum is σ = 295946784. Its totient is φ = 41753600.

The previous prime is 122002537. The next prime is 122002571. The reversal of 122002540 is 45200221.

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, 12571 + ... + 20050.

It is an arithmetic number, because the mean of its divisors is an integer number (6165558).

Almost surely, 2^122002540 is an apocalyptic number.

122002540 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

122002540 is an abundant number, since it is smaller than the sum of its proper divisors (173944244).

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

122002540 is a wasteful number, since it uses less digits than its factorization.

122002540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32658 (or 32656 counting only the distinct ones).

The product of its (nonzero) digits is 160, while the sum is 16.

The square root of 122002540 is about 11045.4759969863. The cubic root of 122002540 is about 495.9710083211.

Adding to 122002540 its reverse (45200221), we get a palindrome (167202761).

The spelling of 122002540 in words is "one hundred twenty-two million, two thousand, five hundred forty".