1201112439 has 8 divisors (see below), whose sum is σ = 1602760320. Its totient is φ = 800103096.

The previous prime is 1201112411. The next prime is 1201112443. The reversal of 1201112439 is 9342111021.

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

It is not a de Polignac number, because 1201112439 - 2¹² = 1201108343 is a prime.

It is a super-2 number, since 2×1201112439² = 2885342182241057442, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1201112449) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 155227 + ... + 162780.

It is an arithmetic number, because the mean of its divisors is an integer number (200345040).

Almost surely, 2^1201112439 is an apocalyptic number.

1201112439 is a deficient number, since it is larger than the sum of its proper divisors (401647881).

1201112439 is a wasteful number, since it uses less digits than its factorization.

1201112439 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 319269.

The product of its (nonzero) digits is 432, while the sum is 24.

The square root of 1201112439 is about 34657.0691057395. The cubic root of 1201112439 is about 1062.9868407740.

The spelling of 1201112439 in words is "one billion, two hundred one million, one hundred twelve thousand, four hundred thirty-nine".