1211483864 has 16 divisors (see below), whose sum is σ = 2280961320. Its totient is φ = 603227520.

The previous prime is 1211483839. The next prime is 1211483873. The reversal of 1211483864 is 4683841121.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 312254 + ... + 316109.

Almost surely, 2^1211483864 is an apocalyptic number.

It is an amenable number.

1211483864 is a deficient number, since it is larger than the sum of its proper divisors (1069477456).

1211483864 is a wasteful number, since it uses less digits than its factorization.

1211483864 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 628610 (or 628606 counting only the distinct ones).

The product of its digits is 36864, while the sum is 38.

The square root of 1211483864 is about 34806.3767720801. The cubic root of 1211483864 is about 1066.0376535364.

The spelling of 1211483864 in words is "one billion, two hundred eleven million, four hundred eighty-three thousand, eight hundred sixty-four".