121513461 has 8 divisors (see below), whose sum is σ = 162714240. Its totient is φ = 80660832.

The previous prime is 121513429. The next prime is 121513489. The reversal of 121513461 is 164315121.

It is a happy number.

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

It is not a de Polignac number, because 121513461 - 2⁵ = 121513429 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121513421) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 86221 + ... + 87618.

It is an arithmetic number, because the mean of its divisors is an integer number (20339280).

Almost surely, 2^121513461 is an apocalyptic number.

It is an amenable number.

121513461 is a deficient number, since it is larger than the sum of its proper divisors (41200779).

121513461 is a wasteful number, since it uses less digits than its factorization.

121513461 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 174075.

The product of its digits is 720, while the sum is 24.

The square root of 121513461 is about 11023.3144289728. The cubic root of 121513461 is about 495.3073777051.

Adding to 121513461 its reverse (164315121), we get a palindrome (285828582).

The spelling of 121513461 in words is "one hundred twenty-one million, five hundred thirteen thousand, four hundred sixty-one".