1201709913 has 8 divisors (see below), whose sum is σ = 1616459808. Its totient is φ = 794049984.

The previous prime is 1201709897. The next prime is 1201709963. The reversal of 1201709913 is 3199071021.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1201709913 - 2⁴ = 1201709897 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1201709963) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1772095 + ... + 1772772.

It is an arithmetic number, because the mean of its divisors is an integer number (202057476).

Almost surely, 2^1201709913 is an apocalyptic number.

It is an amenable number.

1201709913 is a deficient number, since it is larger than the sum of its proper divisors (414749895).

1201709913 is a wasteful number, since it uses less digits than its factorization.

1201709913 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3544983.

The product of its (nonzero) digits is 3402, while the sum is 33.

The square root of 1201709913 is about 34665.6878339375. The cubic root of 1201709913 is about 1063.1630667737.

The spelling of 1201709913 in words is "one billion, two hundred one million, seven hundred nine thousand, nine hundred thirteen".