1196956749 has 4 divisors (see below), whose sum is σ = 1595942336. Its totient is φ = 797971164.

The previous prime is 1196956703. The next prime is 1196956751. The reversal of 1196956749 is 9476596911.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 9476596911 = 3 ⋅3158865637.

It is not a de Polignac number, because 1196956749 - 2⁸ = 1196956493 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 (1196956769) 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, 199492789 + ... + 199492794.

It is an arithmetic number, because the mean of its divisors is an integer number (398985584).

Almost surely, 2^1196956749 is an apocalyptic number.

It is an amenable number.

1196956749 is a deficient number, since it is larger than the sum of its proper divisors (398985587).

1196956749 is an equidigital number, since it uses as much as digits as its factorization.

1196956749 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 398985586.

The product of its digits is 3674160, while the sum is 57.

The square root of 1196956749 is about 34597.0627221445. The cubic root of 1196956749 is about 1061.7594929571.

The spelling of 1196956749 in words is "one billion, one hundred ninety-six million, nine hundred fifty-six thousand, seven hundred forty-nine".