1190226061 has 4 divisors (see below), whose sum is σ = 1190831292. Its totient is φ = 1189620832.

The previous prime is 1190226053. The next prime is 1190226109. The reversal of 1190226061 is 1606220911.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 411481225 + 778744836 = 20285^2 + 27906^2 .

It is a cyclic number.

It is not a de Polignac number, because 1190226061 - 2³ = 1190226053 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1190226031) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 299656 + ... + 303601.

It is an arithmetic number, because the mean of its divisors is an integer number (297707823).

Almost surely, 2^1190226061 is an apocalyptic number.

It is an amenable number.

1190226061 is a deficient number, since it is larger than the sum of its proper divisors (605231).

1190226061 is an equidigital number, since it uses as much as digits as its factorization.

1190226061 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 605230.

The product of its (nonzero) digits is 1296, while the sum is 28.

The square root of 1190226061 is about 34499.6530562265. The cubic root of 1190226061 is about 1059.7656005381.

Adding to 1190226061 its reverse (1606220911), we get a palindrome (2796446972).

The spelling of 1190226061 in words is "one billion, one hundred ninety million, two hundred twenty-six thousand, sixty-one".