1301002109 has 32 divisors (see below), whose sum is σ = 1485779328. Its totient is φ = 1128960000.

The previous prime is 1301002093. The next prime is 1301002111. The reversal of 1301002109 is 9012001031.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 1301002109 - 2⁴ = 1301002093 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1301002169) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 5398229 + ... + 5398469.

It is an arithmetic number, because the mean of its divisors is an integer number (46430604).

Almost surely, 2^1301002109 is an apocalyptic number.

It is an amenable number.

1301002109 is a deficient number, since it is larger than the sum of its proper divisors (184777219).

1301002109 is a wasteful number, since it uses less digits than its factorization.

1301002109 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 509.

The product of its (nonzero) digits is 54, while the sum is 17.

The square root of 1301002109 is about 36069.4068290567. The cubic root of 1301002109 is about 1091.6732455547.

The spelling of 1301002109 in words is "one billion, three hundred one million, two thousand, one hundred nine".