1022120002 has 8 divisors (see below), whose sum is σ = 1623367116. Its totient is φ = 480997632.

The previous prime is 1022119981. The next prime is 1022120009. The reversal of 1022120002 is 2000212201.

It can be written as a sum of positive squares in 2 ways, for example, as 1022016961 + 103041 = 31969^2 + 321^2 .

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 (1022120009) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15031143 + ... + 15031210.

Almost surely, 2^1022120002 is an apocalyptic number.

1022120002 is a deficient number, since it is larger than the sum of its proper divisors (601247114).

1022120002 is a wasteful number, since it uses less digits than its factorization.

1022120002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30062372.

The product of its (nonzero) digits is 16, while the sum is 10.

The square root of 1022120002 is about 31970.6115362218. The cubic root of 1022120002 is about 1007.3196263491.

Adding to 1022120002 its reverse (2000212201), we get a palindrome (3022332203).

The spelling of 1022120002 in words is "one billion, twenty-two million, one hundred twenty thousand, two".