1201200143 has 16 divisors (see below), whose sum is σ = 1413490176. Its totient is φ = 1006364640.

The previous prime is 1201200113. The next prime is 1201200151. The reversal of 1201200143 is 3410021021.

It is a cyclic number.

It is not a de Polignac number, because 1201200143 - 2²⁶ = 1134091279 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1201200113) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 86030 + ... + 99012.

It is an arithmetic number, because the mean of its divisors is an integer number (88343136).

Almost surely, 2^1201200143 is an apocalyptic number.

1201200143 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

1201200143 is a deficient number, since it is larger than the sum of its proper divisors (212290033).

1201200143 is a wasteful number, since it uses less digits than its factorization.

1201200143 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13654.

The product of its (nonzero) digits is 48, while the sum is 14.

The square root of 1201200143 is about 34658.3343944858. The cubic root of 1201200143 is about 1063.0127128811.

Adding to 1201200143 its reverse (3410021021), we get a palindrome (4611221164).

The spelling of 1201200143 in words is "one billion, two hundred one million, two hundred thousand, one hundred forty-three".