1199470971 has 8 divisors (see below), whose sum is σ = 1599575040. Its totient is φ = 799507112.

The previous prime is 1199470933. The next prime is 1199471027. The reversal of 1199470971 is 1790749911.

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 1199470971 - 2⁷ = 1199470843 is a prime.

It is a super-2 number, since 2×1199470971² = 2877461220543365682, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1199470971.

It is not an unprimeable number, because it can be changed into a prime (1199470271) 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, 13131 + ... + 50708.

It is an arithmetic number, because the mean of its divisors is an integer number (199946880).

Almost surely, 2^1199470971 is an apocalyptic number.

1199470971 is a deficient number, since it is larger than the sum of its proper divisors (400104069).

1199470971 is an equidigital number, since it uses as much as digits as its factorization.

1199470971 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 70105.

The product of its (nonzero) digits is 142884, while the sum is 48.

The square root of 1199470971 is about 34633.3794337197. The cubic root of 1199470971 is about 1062.5023858954.

The spelling of 1199470971 in words is "one billion, one hundred ninety-nine million, four hundred seventy thousand, nine hundred seventy-one".