121614489 has 24 divisors (see below), whose sum is σ = 180383112. Its totient is φ = 78923520.

The previous prime is 121614473. The next prime is 121614491. The reversal of 121614489 is 984416121.

121614489 is a `hidden beast` number, since 12 + 161 + 4 + 489 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 3674889 + 117939600 = 1917^2 + 10860^2 .

It is not a de Polignac number, because 121614489 - 2⁴ = 121614473 is a prime.

It is a super-2 number, since 2×121614489² = 29580167869462242, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (121614089) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 64419 + ... + 66279.

It is an arithmetic number, because the mean of its divisors is an integer number (7515963).

Almost surely, 2^121614489 is an apocalyptic number.

It is an amenable number.

121614489 is a deficient number, since it is larger than the sum of its proper divisors (58768623).

121614489 is a wasteful number, since it uses less digits than its factorization.

121614489 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2057 (or 2054 counting only the distinct ones).

The product of its digits is 13824, while the sum is 36.

The square root of 121614489 is about 11027.8959461903. The cubic root of 121614489 is about 495.4446081864. Note that the first 3 decimals are identical.

The spelling of 121614489 in words is "one hundred twenty-one million, six hundred fourteen thousand, four hundred eighty-nine".