1214604572281 has 9 divisors (see below), whose sum is σ = 1269736004271. Its totient is φ = 1161771431832.

The previous prime is 1214604572179. The next prime is 1214604572287. The reversal of 1214604572281 is 1822754064121.

The square root of 1214604572281 is 1102091.

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., 138231522025 + 1076373050256 = 371795^2 + 1037484^2 .

It is not a de Polignac number, because 1214604572281 - 2⁹ = 1214604571769 is a prime.

It is a super-2 number, since 2×1214604572281² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1214604572287) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 25324135 + ... + 25372051.

Almost surely, 2^{1214604572281} is an apocalyptic number.

1214604572281 is the 1102091-st square number.

1214604572281 is the 551046-th centered octagonal number.

It is an amenable number.

1214604572281 is a deficient number, since it is larger than the sum of its proper divisors (55131431990).

1214604572281 is an frugal number, since it uses more digits than its factorization.

1214604572281 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 95880 (or 47940 counting only the distinct ones).

The product of its (nonzero) digits is 215040, while the sum is 43.

The spelling of 1214604572281 in words is "one trillion, two hundred fourteen billion, six hundred four million, five hundred seventy-two thousand, two hundred eighty-one".