122001523 has 12 divisors (see below), whose sum is σ = 146500032. Its totient is φ = 101198160.

The previous prime is 122001511. The next prime is 122001533. The reversal of 122001523 is 325100221.

It is not a de Polignac number, because 122001523 - 2⁵ = 122001491 is a prime.

It is a super-2 number, since 2×122001523² = 29768743228639058, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 122001497 and 122001506.

It is not an unprimeable number, because it can be changed into a prime (122001533) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 38640 + ... + 41677.

It is an arithmetic number, because the mean of its divisors is an integer number (12208336).

Almost surely, 2^122001523 is an apocalyptic number.

122001523 is a deficient number, since it is larger than the sum of its proper divisors (24498509).

122001523 is an equidigital number, since it uses as much as digits as its factorization.

122001523 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 80362 (or 80355 counting only the distinct ones).

The product of its (nonzero) digits is 120, while the sum is 16.

The square root of 122001523 is about 11045.4299599427. The cubic root of 122001523 is about 495.9696301970.

Adding to 122001523 its reverse (325100221), we get a palindrome (447101744).

The spelling of 122001523 in words is "one hundred twenty-two million, one thousand, five hundred twenty-three".