121454814587716 has 27 divisors (see below), whose sum is σ = 217166249734077. Its totient is φ = 59434827848160.

The previous prime is 121454814587593. The next prime is 121454814587741. The reversal of 121454814587716 is 617785418454121.

It is a happy number.

The square root of 121454814587716 is 11020654.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 10219824347716 + 111234990240000 = 3196846^2 + 10546800^2 .

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 1035882856 + ... + 1036000096.

Almost surely, 2^{121454814587716} is an apocalyptic number.

121454814587716 is the 11020654-th square number.

It is an amenable number.

121454814587716 is a deficient number, since it is larger than the sum of its proper divisors (95711435146361).

121454814587716 is an frugal number, since it uses more digits than its factorization.

121454814587716 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 234580 (or 117290 counting only the distinct ones).

The product of its digits is 60211200, while the sum is 64.

The spelling of 121454814587716 in words is "one hundred twenty-one trillion, four hundred fifty-four billion, eight hundred fourteen million, five hundred eighty-seven thousand, seven hundred sixteen".