1029260072 has 8 divisors (see below), whose sum is σ = 1929862650. Its totient is φ = 514630032.

The previous prime is 1029260059. The next prime is 1029260081. The reversal of 1029260072 is 2700629201.

It can be written as a sum of positive squares in only one way, i.e., 928177156 + 101082916 = 30466^2 + 10054^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 64328747 + ... + 64328762.

Almost surely, 2^1029260072 is an apocalyptic number.

It is an amenable number.

1029260072 is a deficient number, since it is larger than the sum of its proper divisors (900602578).

1029260072 is a wasteful number, since it uses less digits than its factorization.

1029260072 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 128657515 (or 128657511 counting only the distinct ones).

The product of its (nonzero) digits is 3024, while the sum is 29.

The square root of 1029260072 is about 32082.0833488101. The cubic root of 1029260072 is about 1009.6597461844.

Adding to 1029260072 its reverse (2700629201), we get a palindrome (3729889273).

The spelling of 1029260072 in words is "one billion, twenty-nine million, two hundred sixty thousand, seventy-two".