122064540 has 48 divisors (see below), whose sum is σ = 368073888. Its totient is φ = 30046464.

The previous prime is 122064533. The next prime is 122064583. The reversal of 122064540 is 45460221.

It is a self number, because there is not a number n which added to its sum of digits gives 122064540.

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, 77467 + ... + 79026.

It is an arithmetic number, because the mean of its divisors is an integer number (7668206).

Almost surely, 2^122064540 is an apocalyptic number.

122064540 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

122064540 is an abundant number, since it is smaller than the sum of its proper divisors (246009348).

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

122064540 is a wasteful number, since it uses less digits than its factorization.

122064540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 156518 (or 156516 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 24.

The square root of 122064540 is about 11048.2822194222. The cubic root of 122064540 is about 496.0550092909.

The spelling of 122064540 in words is "one hundred twenty-two million, sixty-four thousand, five hundred forty".