122143201 has 4 divisors (see below), whose sum is σ = 122214400. Its totient is φ = 122072004.

The previous prime is 122143199. The next prime is 122143213. The reversal of 122143201 is 102341221.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 122143201 - 2¹ = 122143199 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (122143261) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 32961 + ... + 36478.

It is an arithmetic number, because the mean of its divisors is an integer number (30553600).

Almost surely, 2^122143201 is an apocalyptic number.

It is an amenable number.

122143201 is a deficient number, since it is larger than the sum of its proper divisors (71199).

122143201 is an equidigital number, since it uses as much as digits as its factorization.

122143201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 71198.

The product of its (nonzero) digits is 96, while the sum is 16.

The square root of 122143201 is about 11051.8415207602. The cubic root of 122143201 is about 496.1615425622.

Adding to 122143201 its reverse (102341221), we get a palindrome (224484422).

The spelling of 122143201 in words is "one hundred twenty-two million, one hundred forty-three thousand, two hundred one".