1195011225 has 30 divisors (see below), whose sum is σ = 2213577630. Its totient is φ = 637338240.

The previous prime is 1195011211. The next prime is 1195011227. The reversal of 1195011225 is 5221105911.

It can be written as a sum of positive squares in 3 ways, for example, as 193098816 + 1001912409 = 13896^2 + 31653^2 .

It is not a de Polignac number, because 1195011225 - 2¹⁸ = 1194749081 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (1195011227) by changing a digit.

It is a polite number, since it can be written in 29 ways as a sum of consecutive naturals, for example, 293040 + ... + 297089.

It is an arithmetic number, because the mean of its divisors is an integer number (73785921).

Almost surely, 2^1195011225 is an apocalyptic number.

1195011225 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1195011225 is a deficient number, since it is larger than the sum of its proper divisors (1018566405).

1195011225 is an equidigital number, since it uses as much as digits as its factorization.

1195011225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 590151 (or 590137 counting only the distinct ones).

The product of its (nonzero) digits is 900, while the sum is 27.

The square root of 1195011225 is about 34568.9343920231. The cubic root of 1195011225 is about 1061.1839225175.

The spelling of 1195011225 in words is "one billion, one hundred ninety-five million, eleven thousand, two hundred twenty-five".