1374721075225 has 27 divisors (see below), whose sum is σ = 1711786025271. Its totient is φ = 1095194788800.

The previous prime is 1374721075177. The next prime is 1374721075289. The reversal of 1374721075225 is 5225701274731.

It is a happy number.

The square root of 1374721075225 is 1172485.

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 989780245129 + 384940830096 = 994877^2 + 620436^2 .

It is not a de Polignac number, because 1374721075225 - 2¹³ = 1374721067033 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, 2468080647 + ... + 2468081203.

Almost surely, 2^{1374721075225} is an apocalyptic number.

1374721075225 is the 1172485-th square number.

1374721075225 is the 586243-rd centered octagonal number.

It is an amenable number.

1374721075225 is a deficient number, since it is larger than the sum of its proper divisors (337064950046).

1374721075225 is an frugal number, since it uses more digits than its factorization.

1374721075225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1966 (or 983 counting only the distinct ones).

The product of its (nonzero) digits is 823200, while the sum is 46.

The spelling of 1374721075225 in words is "one trillion, three hundred seventy-four billion, seven hundred twenty-one million, seventy-five thousand, two hundred twenty-five".