122144002 has 8 divisors (see below), whose sum is σ = 187684812. Its totient is φ = 59582400.

The previous prime is 122143979. The next prime is 122144003. The reversal of 122144002 is 200441221.

It can be written as a sum of positive squares in 2 ways, for example, as 121682961 + 461041 = 11031^2 + 679^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (122144003) 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, 744699 + ... + 744862.

Almost surely, 2^122144002 is an apocalyptic number.

122144002 is a deficient number, since it is larger than the sum of its proper divisors (65540810).

122144002 is a wasteful number, since it uses less digits than its factorization.

122144002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1489604.

The product of its (nonzero) digits is 128, while the sum is 16.

The square root of 122144002 is about 11051.8777590055. The cubic root of 122144002 is about 496.1626271485.

Adding to 122144002 its reverse (200441221), we get a palindrome (322585223).

The spelling of 122144002 in words is "one hundred twenty-two million, one hundred forty-four thousand, two".