1206974171 has 12 divisors (see below), whose sum is σ = 1352033280. Its totient is φ = 1075707360.

The previous prime is 1206974159. The next prime is 1206974179. The reversal of 1206974171 is 1714796021.

It is a de Polignac number, because none of the positive numbers 2^k-1206974171 is a prime.

It is a super-2 number, since 2×1206974171² = 2913573298922274482, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1206974179) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 118235 + ... + 128036.

It is an arithmetic number, because the mean of its divisors is an integer number (112669440).

Almost surely, 2^1206974171 is an apocalyptic number.

1206974171 is a deficient number, since it is larger than the sum of its proper divisors (145059109).

1206974171 is a wasteful number, since it uses less digits than its factorization.

1206974171 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 246326 (or 246313 counting only the distinct ones).

The product of its (nonzero) digits is 21168, while the sum is 38.

The square root of 1206974171 is about 34741.5338032160. The cubic root of 1206974171 is about 1064.7132501085.

The spelling of 1206974171 in words is "one billion, two hundred six million, nine hundred seventy-four thousand, one hundred seventy-one".