1214326861225 has 27 divisors (see below), whose sum is σ = 1531278476559. Its totient is φ = 955271419200.

The previous prime is 1214326861199. The next prime is 1214326861291. The reversal of 1214326861225 is 5221686234121.

The square root of 1214326861225 is 1101965.

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

It can be written as a sum of positive squares in 13 ways, for example, as 683404782489 + 530922078736 = 826683^2 + 728644^2 .

It is not a de Polignac number, because 1214326861225 - 2¹⁷ = 1214326730153 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 336097519 + ... + 336101131.

Almost surely, 2^{1214326861225} is an apocalyptic number.

1214326861225 is the 1101965-th square number.

1214326861225 is the 550983-rd centered octagonal number.

It is an amenable number.

1214326861225 is a deficient number, since it is larger than the sum of its proper divisors (316951615334).

1214326861225 is an frugal number, since it uses more digits than its factorization.

1214326861225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7358 (or 3679 counting only the distinct ones).

The product of its digits is 276480, while the sum is 43.

The spelling of 1214326861225 in words is "one trillion, two hundred fourteen billion, three hundred twenty-six million, eight hundred sixty-one thousand, two hundred twenty-five".