1195089655 has 4 divisors (see below), whose sum is σ = 1434107592. Its totient is φ = 956071720.

The previous prime is 1195089629. The next prime is 1195089659. The reversal of 1195089655 is 5569805911.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 5569805911 = 353 ⋅15778487.

It is not a de Polignac number, because 1195089655 - 2¹⁵ = 1195056887 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1195089599 and 1195089608.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1195089659) 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, 119508961 + ... + 119508970.

It is an arithmetic number, because the mean of its divisors is an integer number (358526898).

Almost surely, 2^1195089655 is an apocalyptic number.

1195089655 is a deficient number, since it is larger than the sum of its proper divisors (239017937).

1195089655 is an equidigital number, since it uses as much as digits as its factorization.

1195089655 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 239017936.

The product of its (nonzero) digits is 486000, while the sum is 49.

The square root of 1195089655 is about 34570.0687734346. The cubic root of 1195089655 is about 1061.2071375949.

The spelling of 1195089655 in words is "one billion, one hundred ninety-five million, eighty-nine thousand, six hundred fifty-five".