1214973886 has 32 divisors (see below), whose sum is σ = 2263173120. Its totient is φ = 477381600.

The previous prime is 1214973871. The next prime is 1214973941. The reversal of 1214973886 is 6883794121.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 65425 + ... + 81916.

It is an arithmetic number, because the mean of its divisors is an integer number (70724160).

Almost surely, 2^1214973886 is an apocalyptic number.

1214973886 is a deficient number, since it is larger than the sum of its proper divisors (1048199234).

1214973886 is a wasteful number, since it uses less digits than its factorization.

1214973886 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 147400.

The product of its digits is 580608, while the sum is 49.

The square root of 1214973886 is about 34856.4755246425. The cubic root of 1214973886 is about 1067.0603464600.

The spelling of 1214973886 in words is "one billion, two hundred fourteen million, nine hundred seventy-three thousand, eight hundred eighty-six".