1195216953 has 32 divisors (see below), whose sum is σ = 1893642240. Its totient is φ = 656346240.

The previous prime is 1195216951. The next prime is 1195216961. The reversal of 1195216953 is 3596125911.

It is not a de Polignac number, because 1195216953 - 2¹ = 1195216951 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1195216951) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 47328 + ... + 68046.

It is an arithmetic number, because the mean of its divisors is an integer number (59176320).

Almost surely, 2^1195216953 is an apocalyptic number.

It is an amenable number.

1195216953 is a deficient number, since it is larger than the sum of its proper divisors (698425287).

1195216953 is a wasteful number, since it uses less digits than its factorization.

1195216953 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20837.

The product of its digits is 72900, while the sum is 42.

The square root of 1195216953 is about 34571.9098836035. The cubic root of 1195216953 is about 1061.2448153121.

The spelling of 1195216953 in words is "one billion, one hundred ninety-five million, two hundred sixteen thousand, nine hundred fifty-three".