1267201198 has 8 divisors (see below), whose sum is σ = 1962118080. Its totient is φ = 613161840.

The previous prime is 1267201193. The next prime is 1267201213. The reversal of 1267201198 is 8911027621.

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 (1267201193) 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, 10219303 + ... + 10219426.

It is an arithmetic number, because the mean of its divisors is an integer number (245264760).

Almost surely, 2^1267201198 is an apocalyptic number.

1267201198 is a deficient number, since it is larger than the sum of its proper divisors (694916882).

1267201198 is a wasteful number, since it uses less digits than its factorization.

1267201198 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20438762.

The product of its (nonzero) digits is 12096, while the sum is 37.

The square root of 1267201198 is about 35597.7695649601. The cubic root of 1267201198 is about 1082.1360326119.

The spelling of 1267201198 in words is "one billion, two hundred sixty-seven million, two hundred one thousand, one hundred ninety-eight".