1229980802 has 6 divisors (see below), whose sum is σ = 1845045603. Its totient is φ = 614965602.

The previous prime is 1229980793. The next prime is 1229980811. The reversal of 1229980802 is 2080899221.

It is an interprime number because it is at equal distance from previous prime (1229980793) and next prime (1229980811).

It can be written as a sum of positive squares in only one way, i.e., 614990401 + 614990401 = 24799^2 + 24799^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=24799.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1229980802.

It is an unprimeable number.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 37199 + ... + 61997.

Almost surely, 2^1229980802 is an apocalyptic number.

1229980802 is a deficient number, since it is larger than the sum of its proper divisors (615064801).

1229980802 is an frugal number, since it uses more digits than its factorization.

1229980802 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49600 (or 24801 counting only the distinct ones).

The product of its (nonzero) digits is 41472, while the sum is 41.

The square root of 1229980802 is about 35071.0821332904. The cubic root of 1229980802 is about 1071.4356952635.

Multiplying 1229980802 by its product of nonzero digits (41472), we get a square (51009763820544 = 7142112²).

The spelling of 1229980802 in words is "one billion, two hundred twenty-nine million, nine hundred eighty thousand, eight hundred two".