121036013 has 16 divisors (see below), whose sum is σ = 142534656. Its totient is φ = 100623600.

The previous prime is 121035983. The next prime is 121036031. The reversal of 121036013 is 310630121.

It is not a de Polignac number, because 121036013 - 2¹⁰ = 121034989 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 121035982 and 121036000.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121036033) 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, 44120 + ... + 46782.

It is an arithmetic number, because the mean of its divisors is an integer number (8908416).

Almost surely, 2^121036013 is an apocalyptic number.

It is an amenable number.

121036013 is a deficient number, since it is larger than the sum of its proper divisors (21498643).

121036013 is a wasteful number, since it uses less digits than its factorization.

121036013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2864.

The product of its (nonzero) digits is 108, while the sum is 17.

The square root of 121036013 is about 11001.6368327627. The cubic root of 121036013 is about 494.6578092776.

Adding to 121036013 its reverse (310630121), we get a palindrome (431666134).

The spelling of 121036013 in words is "one hundred twenty-one million, thirty-six thousand, thirteen".