121514005 has 4 divisors (see below), whose sum is σ = 145816812. Its totient is φ = 97211200.

The previous prime is 121513999. The next prime is 121514021. The reversal of 121514005 is 500415121.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 500415121 = 37 ⋅13524733.

It can be written as a sum of positive squares in 2 ways, for example, as 58644964 + 62869041 = 7658^2 + 7929^2 .

It is not a de Polignac number, because 121514005 - 2⁷ = 121513877 is a prime.

It is a super-2 number, since 2×121514005² = 29531306822280050, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

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, 12151396 + ... + 12151405.

It is an arithmetic number, because the mean of its divisors is an integer number (36454203).

Almost surely, 2^121514005 is an apocalyptic number.

It is an amenable number.

121514005 is a deficient number, since it is larger than the sum of its proper divisors (24302807).

121514005 is an equidigital number, since it uses as much as digits as its factorization.

121514005 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24302806.

The product of its (nonzero) digits is 200, while the sum is 19.

The square root of 121514005 is about 11023.3391039195. The cubic root of 121514005 is about 495.3081168463.

Adding to 121514005 its reverse (500415121), we get a palindrome (621929126).

The spelling of 121514005 in words is "one hundred twenty-one million, five hundred fourteen thousand, five".