1022004122 has 4 divisors (see below), whose sum is σ = 1533006186. Its totient is φ = 511002060.

The previous prime is 1022004073. The next prime is 1022004163. The reversal of 1022004122 is 2214002201.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 2214002201 = 103 ⋅21495167.

It can be written as a sum of positive squares in only one way, i.e., 582305161 + 439698961 = 24131^2 + 20969^2 .

It is a junction number, because it is equal to n+sod(n) for n = 1022004097 and 1022004106.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 255501029 + ... + 255501032.

Almost surely, 2^1022004122 is an apocalyptic number.

1022004122 is a deficient number, since it is larger than the sum of its proper divisors (511002064).

1022004122 is an equidigital number, since it uses as much as digits as its factorization.

1022004122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 511002063.

The product of its (nonzero) digits is 64, while the sum is 14.

The square root of 1022004122 is about 31968.7991954656. The cubic root of 1022004122 is about 1007.2815575608.

Adding to 1022004122 its reverse (2214002201), we get a palindrome (3236006323).

The spelling of 1022004122 in words is "one billion, twenty-two million, four thousand, one hundred twenty-two".