1201004158 has 8 divisors (see below), whose sum is σ = 1809044640. Its totient is φ = 597989280.

The previous prime is 1201004099. The next prime is 1201004159. The reversal of 1201004158 is 8514001021.

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 (1201004159) 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, 1255803 + ... + 1256758.

It is an arithmetic number, because the mean of its divisors is an integer number (226130580).

Almost surely, 2^1201004158 is an apocalyptic number.

1201004158 is a deficient number, since it is larger than the sum of its proper divisors (608040482).

1201004158 is a wasteful number, since it uses less digits than its factorization.

1201004158 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2512802.

The product of its (nonzero) digits is 320, while the sum is 22.

The square root of 1201004158 is about 34655.5068928446. The cubic root of 1201004158 is about 1062.9548968490.

Adding to 1201004158 its reverse (8514001021), we get a palindrome (9715005179).

The spelling of 1201004158 in words is "one billion, two hundred one million, four thousand, one hundred fifty-eight".