122513215 has 8 divisors (see below), whose sum is σ = 160381008. Its totient is φ = 89100480.

The previous prime is 122513213. The next prime is 122513219. The reversal of 122513215 is 512315221.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 122513215 - 2¹ = 122513213 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122513213) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1113702 + ... + 1113811.

It is an arithmetic number, because the mean of its divisors is an integer number (20047626).

Almost surely, 2^122513215 is an apocalyptic number.

122513215 is a deficient number, since it is larger than the sum of its proper divisors (37867793).

122513215 is a wasteful number, since it uses less digits than its factorization.

122513215 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2227529.

The product of its digits is 600, while the sum is 22.

The square root of 122513215 is about 11068.5687873365. The cubic root of 122513215 is about 496.6620524673.

Adding to 122513215 its reverse (512315221), we get a palindrome (634828436).

The spelling of 122513215 in words is "one hundred twenty-two million, five hundred thirteen thousand, two hundred fifteen".