122204145 has 16 divisors (see below), whose sum is σ = 223459200. Its totient is φ = 55864704.

The previous prime is 122204123. The next prime is 122204153. The reversal of 122204145 is 541402221.

It is not a de Polignac number, because 122204145 - 2⁸ = 122203889 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 581820 + ... + 582029.

It is an arithmetic number, because the mean of its divisors is an integer number (13966200).

Almost surely, 2^122204145 is an apocalyptic number.

122204145 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

122204145 is a deficient number, since it is larger than the sum of its proper divisors (101255055).

122204145 is a wasteful number, since it uses less digits than its factorization.

122204145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1163864.

The product of its (nonzero) digits is 640, while the sum is 21.

The square root of 122204145 is about 11054.5983644816. The cubic root of 122204145 is about 496.2440496551.

Adding to 122204145 its reverse (541402221), we get a palindrome (663606366).

The spelling of 122204145 in words is "one hundred twenty-two million, two hundred four thousand, one hundred forty-five".