1061221002 has 32 divisors (see below), whose sum is σ = 2156575488. Its totient is φ = 348074496.

The previous prime is 1061220967. The next prime is 1061221027. The reversal of 1061221002 is 2001221601.

1061221002 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×1061221002² = 2252380030171768008, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 200178 + ... + 205410.

It is an arithmetic number, because the mean of its divisors is an integer number (67392984).

Almost surely, 2^1061221002 is an apocalyptic number.

1061221002 is an abundant number, since it is smaller than the sum of its proper divisors (1095354486).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1061221002 is a wasteful number, since it uses less digits than its factorization.

1061221002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5774.

The product of its (nonzero) digits is 48, while the sum is 15.

The square root of 1061221002 is about 32576.3871845851. The cubic root of 1061221002 is about 1020.0041656885.

Adding to 1061221002 its reverse (2001221601), we get a palindrome (3062442603).

The spelling of 1061221002 in words is "one billion, sixty-one million, two hundred twenty-one thousand, two".