1196881955 has 8 divisors (see below), whose sum is σ = 1437198432. Its totient is φ = 956878848.

The previous prime is 1196881951. The next prime is 1196881979. The reversal of 1196881955 is 5591886911.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1196881955 - 2² = 1196881951 is a prime.

It is a super-3 number, since 3×1196881955³ (a number of 28 digits) contains 333 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1196881897 and 1196881906.

It is not an unprimeable number, because it can be changed into a prime (1196881951) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 69854 + ... + 85283.

It is an arithmetic number, because the mean of its divisors is an integer number (179649804).

Almost surely, 2^1196881955 is an apocalyptic number.

1196881955 is a deficient number, since it is larger than the sum of its proper divisors (240316477).

1196881955 is a wasteful number, since it uses less digits than its factorization.

1196881955 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 156685.

The product of its digits is 777600, while the sum is 53.

The square root of 1196881955 is about 34595.9817753450. The cubic root of 1196881955 is about 1061.7373771778.

The spelling of 1196881955 in words is "one billion, one hundred ninety-six million, eight hundred eighty-one thousand, nine hundred fifty-five".