122515541 has 8 divisors (see below), whose sum is σ = 124574400. Its totient is φ = 120466080.

The previous prime is 122515529. The next prime is 122515543. The reversal of 122515541 is 145515221.

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

It is a cyclic number.

It is not a de Polignac number, because 122515541 - 2¹⁰ = 122514517 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 122515541.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122515543) 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, 26930 + ... + 31148.

It is an arithmetic number, because the mean of its divisors is an integer number (15571800).

Almost surely, 2^122515541 is an apocalyptic number.

It is an amenable number.

122515541 is a deficient number, since it is larger than the sum of its proper divisors (2058859).

122515541 is an equidigital number, since it uses as much as digits as its factorization.

122515541 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4699.

The product of its digits is 2000, while the sum is 26.

The square root of 122515541 is about 11068.6738591396. The cubic root of 122515541 is about 496.6651956075.

The spelling of 122515541 in words is "one hundred twenty-two million, five hundred fifteen thousand, five hundred forty-one".