121214613 has 8 divisors (see below), whose sum is σ = 174051808. Its totient is φ = 74593584.

The previous prime is 121214609. The next prime is 121214617. The reversal of 121214613 is 316412121.

It is an interprime number because it is at equal distance from previous prime (121214609) and next prime (121214617).

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

It is not a de Polignac number, because 121214613 - 2² = 121214609 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 121214613.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121214617) 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, 1553995 + ... + 1554072.

It is an arithmetic number, because the mean of its divisors is an integer number (21756476).

Almost surely, 2^121214613 is an apocalyptic number.

121214613 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

121214613 is a deficient number, since it is larger than the sum of its proper divisors (52837195).

121214613 is a wasteful number, since it uses less digits than its factorization.

121214613 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3108083.

The product of its digits is 288, while the sum is 21.

The square root of 121214613 is about 11009.7508146188. The cubic root of 121214613 is about 494.9009943813.

Adding to 121214613 its reverse (316412121), we get a palindrome (437626734).

The spelling of 121214613 in words is "one hundred twenty-one million, two hundred fourteen thousand, six hundred thirteen".