102642282401 has 4 divisors (see below), whose sum is σ = 102992597652. Its totient is φ = 102291967152.

The previous prime is 102642282397. The next prime is 102642282409. The reversal of 102642282401 is 104282246201.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 61179549025 + 41462733376 = 247345^2 + 203624^2 .

It is a cyclic number.

It is not a de Polignac number, because 102642282401 - 2² = 102642282397 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (102642282409) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 175157186 + ... + 175157771.

It is an arithmetic number, because the mean of its divisors is an integer number (25748149413).

Almost surely, 2^102642282401 is an apocalyptic number.

It is an amenable number.

102642282401 is a deficient number, since it is larger than the sum of its proper divisors (350315251).

102642282401 is an equidigital number, since it uses as much as digits as its factorization.

102642282401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 350315250.

The product of its (nonzero) digits is 12288, while the sum is 32.

The spelling of 102642282401 in words is "one hundred two billion, six hundred forty-two million, two hundred eighty-two thousand, four hundred one".