1201555114 has 8 divisors (see below), whose sum is σ = 1810875168. Its totient is φ = 597930060.

The previous prime is 1201555097. The next prime is 1201555123. The reversal of 1201555114 is 4115551021.

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

It is a super-3 number, since 3×1201555114³ (a number of 28 digits) contains 333 as substring.

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, 1423222 + ... + 1424065.

It is an arithmetic number, because the mean of its divisors is an integer number (226359396).

Almost surely, 2^1201555114 is an apocalyptic number.

1201555114 is a deficient number, since it is larger than the sum of its proper divisors (609320054).

1201555114 is a wasteful number, since it uses less digits than its factorization.

1201555114 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2847500.

The product of its (nonzero) digits is 1000, while the sum is 25.

The square root of 1201555114 is about 34663.4550211026. The cubic root of 1201555114 is about 1063.1174141457.

The spelling of 1201555114 in words is "one billion, two hundred one million, five hundred fifty-five thousand, one hundred fourteen".