122013513 has 8 divisors (see below), whose sum is σ = 180760800. Its totient is φ = 81342324.

The previous prime is 122013509. The next prime is 122013517. The reversal of 122013513 is 315310221.

It is an interprime number because it is at equal distance from previous prime (122013509) and next prime (122013517).

It is not a de Polignac number, because 122013513 - 2² = 122013509 is a prime.

It is not an unprimeable number, because it can be changed into a prime (122013517) 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, 2259483 + ... + 2259536.

It is an arithmetic number, because the mean of its divisors is an integer number (22595100).

Almost surely, 2^122013513 is an apocalyptic number.

It is an amenable number.

122013513 is a deficient number, since it is larger than the sum of its proper divisors (58747287).

122013513 is an equidigital number, since it uses as much as digits as its factorization.

122013513 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4519028 (or 4519022 counting only the distinct ones).

The product of its (nonzero) digits is 180, while the sum is 18.

The square root of 122013513 is about 11045.9727050179. The cubic root of 122013513 is about 495.9858772102.

Adding to 122013513 its reverse (315310221), we get a palindrome (437323734).

The spelling of 122013513 in words is "one hundred twenty-two million, thirteen thousand, five hundred thirteen".