1190204631225 has 81 divisors (see below), whose sum is σ = 2147704881933. Its totient is φ = 630071562240.

The previous prime is 1190204631223. The next prime is 1190204631229. The reversal of 1190204631225 is 5221364020911.

The square root of 1190204631225 is 1090965.

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

1190204631225 is a `hidden beast` number, since 1 + 19 + 0 + 2 + 0 + 4 + 631 + 2 + 2 + 5 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 292478700969 + 897725930256 = 540813^2 + 947484^2 .

It is not a de Polignac number, because 1190204631225 - 2¹ = 1190204631223 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1190204631225.

It is not an unprimeable number, because it can be changed into a prime (1190204631223) by changing a digit.

It is a polite number, since it can be written in 80 ways as a sum of consecutive naturals, for example, 4205669934 + ... + 4205670216.

Almost surely, 2^{1190204631225} is an apocalyptic number.

1190204631225 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

1190204631225 is the 1090965-th square number.

1190204631225 is the 545483-rd centered octagonal number.

It is an amenable number.

1190204631225 is a deficient number, since it is larger than the sum of its proper divisors (957500250708).

1190204631225 is an frugal number, since it uses more digits than its factorization.

1190204631225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1096 (or 548 counting only the distinct ones).

The product of its (nonzero) digits is 25920, while the sum is 36.

Multiplying 1190204631225 by its sum of digits (36), we get a square (42847366724100 = 6545790²).

The spelling of 1190204631225 in words is "one trillion, one hundred ninety billion, two hundred four million, six hundred thirty-one thousand, two hundred twenty-five".