1301020002 has 32 divisors (see below), whose sum is σ = 2898273600. Its totient is φ = 432605664.

The previous prime is 1301019983. The next prime is 1301020009. The reversal of 1301020002 is 2000201031.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is not an unprimeable number, because it can be changed into a prime (1301020009) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7368 + ... + 51539.

It is an arithmetic number, because the mean of its divisors is an integer number (90571050).

Almost surely, 2^1301020002 is an apocalyptic number.

1301020002 is an abundant number, since it is smaller than the sum of its proper divisors (1597253598).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1301020002 is a wasteful number, since it uses less digits than its factorization.

1301020002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 59327 (or 59321 counting only the distinct ones).

The product of its (nonzero) digits is 12, while the sum is 9.

The square root of 1301020002 is about 36069.6548638880. The cubic root of 1301020002 is about 1091.6782502147.

Adding to 1301020002 its reverse (2000201031), we get a palindrome (3301221033).

The spelling of 1301020002 in words is "one billion, three hundred one million, twenty thousand, two".