1201401142 has 8 divisors (see below), whose sum is σ = 1802432736. Its totient is φ = 600590232.

The previous prime is 1201401119. The next prime is 1201401287. The reversal of 1201401142 is 2411041021.

It is a happy number.

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

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 40813 + ... + 63784.

It is an arithmetic number, because the mean of its divisors is an integer number (225304092).

Almost surely, 2^1201401142 is an apocalyptic number.

1201401142 is a deficient number, since it is larger than the sum of its proper divisors (601031594).

1201401142 is a wasteful number, since it uses less digits than its factorization.

1201401142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 110342.

The product of its (nonzero) digits is 64, while the sum is 16.

The square root of 1201401142 is about 34661.2339941901. The cubic root of 1201401142 is about 1063.0720015231.

Adding to 1201401142 its reverse (2411041021), we get a palindrome (3612442163).

The spelling of 1201401142 in words is "one billion, two hundred one million, four hundred one thousand, one hundred forty-two".