122413540 has 48 divisors (see below), whose sum is σ = 261621360. Its totient is φ = 48107520.

The previous prime is 122413493. The next prime is 122413541. The reversal of 122413540 is 45314221.

It can be written as a sum of positive squares in 8 ways, for example, as 1444 + 122412096 = 38^2 + 11064^2 .

It is not an unprimeable number, because it can be changed into a prime (122413541) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 507820 + ... + 508060.

It is an arithmetic number, because the mean of its divisors is an integer number (5450445).

Almost surely, 2^122413540 is an apocalyptic number.

122413540 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

122413540 is an abundant number, since it is smaller than the sum of its proper divisors (139207820).

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

122413540 is a wasteful number, since it uses less digits than its factorization.

122413540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 592 (or 590 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 22.

The square root of 122413540 is about 11064.0652564959. The cubic root of 122413540 is about 496.5273235413.

Adding to 122413540 its reverse (45314221), we get a palindrome (167727761).

The spelling of 122413540 in words is "one hundred twenty-two million, four hundred thirteen thousand, five hundred forty".