121275461 has 8 divisors (see below), whose sum is σ = 127946880. Its totient is φ = 114632928.

The previous prime is 121275457. The next prime is 121275487. The reversal of 121275461 is 164572121.

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

It is not a de Polignac number, because 121275461 - 2² = 121275457 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121275491) 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, 1700 + ... + 15666.

It is an arithmetic number, because the mean of its divisors is an integer number (15993360).

Almost surely, 2^121275461 is an apocalyptic number.

It is an amenable number.

121275461 is a deficient number, since it is larger than the sum of its proper divisors (6671419).

121275461 is a wasteful number, since it uses less digits than its factorization.

121275461 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14443.

The product of its digits is 3360, while the sum is 29.

The square root of 121275461 is about 11012.5138365407. The cubic root of 121275461 is about 494.9837915993.

The spelling of 121275461 in words is "one hundred twenty-one million, two hundred seventy-five thousand, four hundred sixty-one".