122419540 has 48 divisors (see below), whose sum is σ = 262563840. Its totient is φ = 47934720.

The previous prime is 122419523. The next prime is 122419571. The reversal of 122419540 is 45914221.

It is a junction number, because it is equal to n+sod(n) for n = 122419499 and 122419508.

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, 278641 + ... + 279079.

It is an arithmetic number, because the mean of its divisors is an integer number (5470080).

Almost surely, 2^122419540 is an apocalyptic number.

122419540 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

122419540 is an abundant number, since it is smaller than the sum of its proper divisors (140144300).

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

122419540 is a wasteful number, since it uses less digits than its factorization.

122419540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 712 (or 710 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 28.

The square root of 122419540 is about 11064.3364012488. The cubic root of 122419540 is about 496.5354357030.

The spelling of 122419540 in words is "one hundred twenty-two million, four hundred nineteen thousand, five hundred forty".