122148242 has 4 divisors (see below), whose sum is σ = 183222366. Its totient is φ = 61074120.

The previous prime is 122148233. The next prime is 122148269. The reversal of 122148242 is 242841221.

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

It can be written as a sum of positive squares in only one way, i.e., 110649361 + 11498881 = 10519^2 + 3391^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30537059 + ... + 30537062.

Almost surely, 2^122148242 is an apocalyptic number.

122148242 is a deficient number, since it is larger than the sum of its proper divisors (61074124).

122148242 is an equidigital number, since it uses as much as digits as its factorization.

122148242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 61074123.

The product of its digits is 2048, while the sum is 26.

The square root of 122148242 is about 11052.0695799475. The cubic root of 122148242 is about 496.1683682005.

Adding to 122148242 its reverse (242841221), we get a palindrome (364989463).

The spelling of 122148242 in words is "one hundred twenty-two million, one hundred forty-eight thousand, two hundred forty-two".