1020729298 has 8 divisors (see below), whose sum is σ = 1583890380. Its totient is φ = 492765840.

The previous prime is 1020729247. The next prime is 1020729319. The reversal of 1020729298 is 8929270201.

It can be written as a sum of positive squares in 2 ways, for example, as 904024489 + 116704809 = 30067^2 + 10803^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 1020729298.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8799333 + ... + 8799448.

Almost surely, 2^1020729298 is an apocalyptic number.

1020729298 is a deficient number, since it is larger than the sum of its proper divisors (563161082).

1020729298 is a wasteful number, since it uses less digits than its factorization.

1020729298 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17598812.

The product of its (nonzero) digits is 36288, while the sum is 40.

The square root of 1020729298 is about 31948.8544082570. The cubic root of 1020729298 is about 1006.8625634920.

Adding to 1020729298 its reverse (8929270201), we get a palindrome (9949999499).

The spelling of 1020729298 in words is "one billion, twenty million, seven hundred twenty-nine thousand, two hundred ninety-eight".