122401523 has 8 divisors (see below), whose sum is σ = 125583696. Its totient is φ = 119228800.

The previous prime is 122401519. The next prime is 122401549. The reversal of 122401523 is 325104221.

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 122401523 - 2² = 122401519 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 122401495 and 122401504.

It is not an unprimeable number, because it can be changed into a prime (122401823) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 29240 + ... + 33162.

It is an arithmetic number, because the mean of its divisors is an integer number (15697962).

Almost surely, 2^122401523 is an apocalyptic number.

122401523 is a deficient number, since it is larger than the sum of its proper divisors (3182173).

122401523 is an equidigital number, since it uses as much as digits as its factorization.

122401523 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4725.

The product of its (nonzero) digits is 480, while the sum is 20.

The square root of 122401523 is about 11063.5221787639. The cubic root of 122401523 is about 496.5110754365.

Adding to 122401523 its reverse (325104221), we get a palindrome (447505744).

The spelling of 122401523 in words is "one hundred twenty-two million, four hundred one thousand, five hundred twenty-three".