1020001322 has 16 divisors (see below), whose sum is σ = 1556997120. Its totient is φ = 501014208.

The previous prime is 1020001303. The next prime is 1020001337. The reversal of 1020001322 is 2231000201.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 315458 + ... + 318674.

It is an arithmetic number, because the mean of its divisors is an integer number (97312320).

Almost surely, 2^1020001322 is an apocalyptic number.

1020001322 is a deficient number, since it is larger than the sum of its proper divisors (536995798).

1020001322 is a wasteful number, since it uses less digits than its factorization.

1020001322 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5965.

The product of its (nonzero) digits is 24, while the sum is 11.

The square root of 1020001322 is about 31937.4595420487. The cubic root of 1020001322 is about 1006.6231444473.

Adding to 1020001322 its reverse (2231000201), we get a palindrome (3251001523).

The spelling of 1020001322 in words is "one billion, twenty million, one thousand, three hundred twenty-two".