1214999998 has 8 divisors (see below), whose sum is σ = 1830126240. Its totient is φ = 604957920.

The previous prime is 1214999977. The next prime is 1214999999. The reversal of 1214999998 is 8999994121.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1214999999) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1270443 + ... + 1271398.

It is an arithmetic number, because the mean of its divisors is an integer number (228765780).

Almost surely, 2^1214999998 is an apocalyptic number.

1214999998 is a deficient number, since it is larger than the sum of its proper divisors (615126242).

1214999998 is a wasteful number, since it uses less digits than its factorization.

1214999998 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2542082.

The product of its digits is 3779136, while the sum is 61.

The square root of 1214999998 is about 34856.8500871780. The cubic root of 1214999998 is about 1067.0679907615.

The spelling of 1214999998 in words is "one billion, two hundred fourteen million, nine hundred ninety-nine thousand, nine hundred ninety-eight".