1196743961 has 16 divisors (see below), whose sum is σ = 1389419136. Its totient is φ = 1009622016.

The previous prime is 1196743949. The next prime is 1196743967. The reversal of 1196743961 is 1693476911.

It is a cyclic number.

It is not a de Polignac number, because 1196743961 - 2¹⁸ = 1196481817 is a prime.

It is a super-2 number, since 2×1196743961² = 2864392216379939042, which contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (1196743967) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 112505 + ... + 122681.

It is an arithmetic number, because the mean of its divisors is an integer number (86838696).

Almost surely, 2^1196743961 is an apocalyptic number.

It is an amenable number.

1196743961 is a deficient number, since it is larger than the sum of its proper divisors (192675175).

1196743961 is a wasteful number, since it uses less digits than its factorization.

1196743961 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10448.

The product of its digits is 244944, while the sum is 47.

The square root of 1196743961 is about 34593.9873532959. The cubic root of 1196743961 is about 1061.6965714219.

The spelling of 1196743961 in words is "one billion, one hundred ninety-six million, seven hundred forty-three thousand, nine hundred sixty-one".