122513340 has 48 divisors (see below), whose sum is σ = 347880960. Its totient is φ = 32208960.

The previous prime is 122513329. The next prime is 122513359. The reversal of 122513340 is 43315221.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10120 + ... + 18639.

It is an arithmetic number, because the mean of its divisors is an integer number (7247520).

Almost surely, 2^122513340 is an apocalyptic number.

122513340 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

122513340 is an abundant number, since it is smaller than the sum of its proper divisors (225367620).

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

122513340 is a wasteful number, since it uses less digits than its factorization.

122513340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28842 (or 28840 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 21.

The square root of 122513340 is about 11068.5744339549. The cubic root of 122513340 is about 496.6622213817.

Adding to 122513340 its reverse (43315221), we get a palindrome (165828561).

The spelling of 122513340 in words is "one hundred twenty-two million, five hundred thirteen thousand, three hundred forty".