121013413 has 4 divisors (see below), whose sum is σ = 127382560. Its totient is φ = 114644268.

The previous prime is 121013411. The next prime is 121013437. The reversal of 121013413 is 314310121.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 121013413 - 2¹ = 121013411 is a prime.

It is a super-2 number, since 2×121013413² = 29288492251817138, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121013411) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3184545 + ... + 3184582.

It is an arithmetic number, because the mean of its divisors is an integer number (31845640).

Almost surely, 2^121013413 is an apocalyptic number.

It is an amenable number.

121013413 is a deficient number, since it is larger than the sum of its proper divisors (6369147).

121013413 is an equidigital number, since it uses as much as digits as its factorization.

121013413 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6369146.

The product of its (nonzero) digits is 72, while the sum is 16.

The square root of 121013413 is about 11000.6096649231. The cubic root of 121013413 is about 494.6270196471.

Adding to 121013413 its reverse (314310121), we get a palindrome (435323534).

The spelling of 121013413 in words is "one hundred twenty-one million, thirteen thousand, four hundred thirteen".