121001313 has 8 divisors (see below), whose sum is σ = 162363328. Its totient is φ = 80153424.

The previous prime is 121001299. The next prime is 121001341. The reversal of 121001313 is 313100121.

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

It is not a de Polignac number, because 121001313 - 2⁴ = 121001297 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (121001383) 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, 127981 + ... + 128922.

It is an arithmetic number, because the mean of its divisors is an integer number (20295416).

Almost surely, 2^121001313 is an apocalyptic number.

It is an amenable number.

121001313 is a deficient number, since it is larger than the sum of its proper divisors (41362015).

121001313 is a wasteful number, since it uses less digits than its factorization.

121001313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 257063.

The product of its (nonzero) digits is 18, while the sum is 12.

The square root of 121001313 is about 11000.0596816563. The cubic root of 121001313 is about 494.6105333577.

Adding to 121001313 its reverse (313100121), we get a palindrome (434101434).

The spelling of 121001313 in words is "one hundred twenty-one million, one thousand, three hundred thirteen".