102401280004 has 9 divisors (see below), whose sum is σ = 179203360021. Its totient is φ = 51200320000.

The previous prime is 102401279999. The next prime is 102401280011. The reversal of 102401280004 is 400082104201.

The square root of 102401280004 is 320002.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 102398720004 + 2560000 = 319998^2 + 1600^2 .

It is a super-2 number, since 2×102401280004² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

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, 560004 + ... + 720004.

Almost surely, 2^102401280004 is an apocalyptic number.

102401280004 is the 320002-nd square number.

It is an amenable number.

102401280004 is a deficient number, since it is larger than the sum of its proper divisors (76802080017).

102401280004 is an frugal number, since it uses more digits than its factorization.

102401280004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 320006 (or 160003 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 22.

Adding to 102401280004 its reverse (400082104201), we get a palindrome (502483384205).

The spelling of 102401280004 in words is "one hundred two billion, four hundred one million, two hundred eighty thousand, four".