1201412143 has 4 divisors (see below), whose sum is σ = 1202029888. Its totient is φ = 1200794400.

The previous prime is 1201412129. The next prime is 1201412189. The reversal of 1201412143 is 3412141021.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1201412143 - 2⁵ = 1201412111 is a prime.

It is a super-2 number, since 2×1201412143² = 2886782274695704898, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1201412143.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1201412243) 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, 305946 + ... + 309847.

It is an arithmetic number, because the mean of its divisors is an integer number (300507472).

Almost surely, 2^1201412143 is an apocalyptic number.

1201412143 is a deficient number, since it is larger than the sum of its proper divisors (617745).

1201412143 is an equidigital number, since it uses as much as digits as its factorization.

1201412143 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 617744.

The product of its (nonzero) digits is 192, while the sum is 19.

The square root of 1201412143 is about 34661.3926869651. The cubic root of 1201412143 is about 1063.0752462954.

Adding to 1201412143 its reverse (3412141021), we get a palindrome (4613553164).

The spelling of 1201412143 in words is "one billion, two hundred one million, four hundred twelve thousand, one hundred forty-three".