121614477 has 4 divisors (see below), whose sum is σ = 162152640. Its totient is φ = 81076316.

The previous prime is 121614473. The next prime is 121614491. The reversal of 121614477 is 774416121.

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 121614477 - 2² = 121614473 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121614473) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20269077 + ... + 20269082.

It is an arithmetic number, because the mean of its divisors is an integer number (40538160).

Almost surely, 2^121614477 is an apocalyptic number.

It is an amenable number.

121614477 is a deficient number, since it is larger than the sum of its proper divisors (40538163).

121614477 is an equidigital number, since it uses as much as digits as its factorization.

121614477 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40538162.

The product of its digits is 9408, while the sum is 33.

The square root of 121614477 is about 11027.8954021155. The cubic root of 121614477 is about 495.4445918908. Note that the first 3 decimals are identical.

The spelling of 121614477 in words is "one hundred twenty-one million, six hundred fourteen thousand, four hundred seventy-seven".