122003555 has 4 divisors (see below), whose sum is σ = 146404272. Its totient is φ = 97602840.

The previous prime is 122003549. The next prime is 122003561. The reversal of 122003555 is 555300221.

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

It is an interprime number because it is at equal distance from previous prime (122003549) and next prime (122003561).

It is not a de Polignac number, because 122003555 - 2¹⁴ = 121987171 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 122003555.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12200351 + ... + 12200360.

It is an arithmetic number, because the mean of its divisors is an integer number (36601068).

Almost surely, 2^122003555 is an apocalyptic number.

122003555 is a deficient number, since it is larger than the sum of its proper divisors (24400717).

122003555 is an equidigital number, since it uses as much as digits as its factorization.

122003555 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24400716.

The product of its (nonzero) digits is 1500, while the sum is 23.

The square root of 122003555 is about 11045.5219433035. The cubic root of 122003555 is about 495.9723837273.

Adding to 122003555 its reverse (555300221), we get a palindrome (677303776).

The spelling of 122003555 in words is "one hundred twenty-two million, three thousand, five hundred fifty-five".