1214556080761 has 3 divisors (see below), whose sum is σ = 1214557182831. Its totient is φ = 1214554978692.

The previous prime is 1214556080743. The next prime is 1214556080791. The reversal of 1214556080761 is 1670806554121.

The square root of 1214556080761 is 1102069.

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

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in only one way, i.e., 394046208361 + 820509872400 = 627731^2 + 905820^2 .

It is not a de Polignac number, because 1214556080761 - 2¹⁵ = 1214556047993 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1214556080701) by changing a digit.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 551035 + ... + 1653103.

It is an arithmetic number, because the mean of its divisors is an integer number (404852394277).

Almost surely, 2^{1214556080761} is an apocalyptic number.

1214556080761 is the 1102069-th square number.

1214556080761 is the 551035-th centered octagonal number.

It is an amenable number.

1214556080761 is a deficient number, since it is larger than the sum of its proper divisors (1102070).

1214556080761 is an frugal number, since it uses more digits than its factorization.

1214556080761 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2204138 (or 1102069 counting only the distinct ones).

The product of its (nonzero) digits is 403200, while the sum is 46.

The spelling of 1214556080761 in words is "one trillion, two hundred fourteen billion, five hundred fifty-six million, eighty thousand, seven hundred sixty-one".