122873240 has 32 divisors (see below), whose sum is σ = 315960480. Its totient is φ = 42127872.

The previous prime is 122873237. The next prime is 122873273. The reversal of 122873240 is 42378221.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 219137 + ... + 219696.

It is an arithmetic number, because the mean of its divisors is an integer number (9873765).

Almost surely, 2^122873240 is an apocalyptic number.

122873240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

122873240 is an abundant number, since it is smaller than the sum of its proper divisors (193087240).

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

122873240 is a wasteful number, since it uses less digits than its factorization.

122873240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 438851 (or 438847 counting only the distinct ones).

The product of its (nonzero) digits is 5376, while the sum is 29.

The square root of 122873240 is about 11084.8202511362. The cubic root of 122873240 is about 497.1480840789.

The spelling of 122873240 in words is "one hundred twenty-two million, eight hundred seventy-three thousand, two hundred forty".