1022701252 has 12 divisors (see below), whose sum is σ = 1790000380. Its totient is φ = 511272576.

The previous prime is 1022701241. The next prime is 1022701271. The reversal of 1022701252 is 2521072201.

It can be written as a sum of positive squares in 2 ways, for example, as 106791556 + 915909696 = 10334^2 + 30264^2 .

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 in 3 ways as a sum of consecutive naturals, for example, 17968 + ... + 48664.

Almost surely, 2^1022701252 is an apocalyptic number.

It is an amenable number.

1022701252 is a deficient number, since it is larger than the sum of its proper divisors (767299128).

1022701252 is a wasteful number, since it uses less digits than its factorization.

1022701252 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39030 (or 39028 counting only the distinct ones).

The product of its (nonzero) digits is 560, while the sum is 22.

The square root of 1022701252 is about 31979.7006239896. The cubic root of 1022701252 is about 1007.5105346509.

Adding to 1022701252 its reverse (2521072201), we get a palindrome (3543773453).

The spelling of 1022701252 in words is "one billion, twenty-two million, seven hundred one thousand, two hundred fifty-two".