1201113142 has 8 divisors (see below), whose sum is σ = 1809208800. Its totient is φ = 598043544.

The previous prime is 1201113131. The next prime is 1201113149. The reversal of 1201113142 is 2413111021.

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

It is a super-2 number, since 2×1201113142² = 2885345559770224328, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1201113149) 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, 1255917 + ... + 1256872.

It is an arithmetic number, because the mean of its divisors is an integer number (226151100).

Almost surely, 2^1201113142 is an apocalyptic number.

1201113142 is a deficient number, since it is larger than the sum of its proper divisors (608095658).

1201113142 is a wasteful number, since it uses less digits than its factorization.

1201113142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2513030.

The product of its (nonzero) digits is 48, while the sum is 16.

The square root of 1201113142 is about 34657.0792479689. The cubic root of 1201113142 is about 1062.9870481594.

Adding to 1201113142 its reverse (2413111021), we get a palindrome (3614224163).

The spelling of 1201113142 in words is "one billion, two hundred one million, one hundred thirteen thousand, one hundred forty-two".