1214992089 has 32 divisors (see below), whose sum is σ = 1881135360. Its totient is φ = 773587584.

The previous prime is 1214992063. The next prime is 1214992123. The reversal of 1214992089 is 9802994121.

It is not a de Polignac number, because 1214992089 - 2¹¹ = 1214990041 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1214990089) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 590787 + ... + 592839.

It is an arithmetic number, because the mean of its divisors is an integer number (58785480).

Almost surely, 2^1214992089 is an apocalyptic number.

It is an amenable number.

1214992089 is a deficient number, since it is larger than the sum of its proper divisors (666143271).

1214992089 is a wasteful number, since it uses less digits than its factorization.

1214992089 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3038 (or 3032 counting only the distinct ones).

The product of its (nonzero) digits is 93312, while the sum is 45.

The square root of 1214992089 is about 34856.7366372700. The cubic root of 1214992089 is about 1067.0656754092.

The spelling of 1214992089 in words is "one billion, two hundred fourteen million, nine hundred ninety-two thousand, eighty-nine".