122101513 has 4 divisors (see below), whose sum is σ = 126311940. Its totient is φ = 117891088.

The previous prime is 122101501. The next prime is 122101523. The reversal of 122101513 is 315101221.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 68343289 + 53758224 = 8267^2 + 7332^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-122101513 is a prime.

It is a super-3 number, since 3×122101513³ (a number of 25 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (122101523) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2105170 + ... + 2105227.

It is an arithmetic number, because the mean of its divisors is an integer number (31577985).

Almost surely, 2^122101513 is an apocalyptic number.

It is an amenable number.

122101513 is a deficient number, since it is larger than the sum of its proper divisors (4210427).

122101513 is an equidigital number, since it uses as much as digits as its factorization.

122101513 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4210426.

The product of its (nonzero) digits is 60, while the sum is 16.

The square root of 122101513 is about 11049.9553392763. The cubic root of 122101513 is about 496.1050887827.

Adding to 122101513 its reverse (315101221), we get a palindrome (437202734).

The spelling of 122101513 in words is "one hundred twenty-two million, one hundred one thousand, five hundred thirteen".