1302100001 has 4 divisors (see below), whose sum is σ = 1370631600. Its totient is φ = 1233568404.

The previous prime is 1302099973. The next prime is 1302100031. The reversal of 1302100001 is 1000012031.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 1000012031 = 2729 ⋅366439.

It is a cyclic number.

It is not a de Polignac number, because 1302100001 - 2⁶ = 1302099937 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1302100031) 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, 34265771 + ... + 34265808.

It is an arithmetic number, because the mean of its divisors is an integer number (342657900).

Almost surely, 2^1302100001 is an apocalyptic number.

It is an amenable number.

1302100001 is a deficient number, since it is larger than the sum of its proper divisors (68531599).

1302100001 is an equidigital number, since it uses as much as digits as its factorization.

1302100001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 68531598.

The product of its (nonzero) digits is 6, while the sum is 8.

The square root of 1302100001 is about 36084.6227775766. The cubic root of 1302100001 is about 1091.9802402759.

Adding to 1302100001 its reverse (1000012031), we get a palindrome (2302112032).

The spelling of 1302100001 in words is "one billion, three hundred two million, one hundred thousand, one".