112955781 has 8 divisors (see below), whose sum is σ = 151164544. Its totient is φ = 75025440.

The previous prime is 112955743. The next prime is 112955789. The reversal of 112955781 is 187559211.

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

It is not a de Polignac number, because 112955781 - 2¹³ = 112947589 is a prime.

It is a super-2 number, since 2×112955781² = 25518016922639922, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (112955789) 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, 68656 + ... + 70281.

It is an arithmetic number, because the mean of its divisors is an integer number (18895568).

Almost surely, 2^112955781 is an apocalyptic number.

It is an amenable number.

112955781 is a deficient number, since it is larger than the sum of its proper divisors (38208763).

112955781 is a wasteful number, since it uses less digits than its factorization.

112955781 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 139211.

The product of its digits is 25200, while the sum is 39.

The square root of 112955781 is about 10628.0657224163. The cubic root of 112955781 is about 483.3957423442.

The spelling of 112955781 in words is "one hundred twelve million, nine hundred fifty-five thousand, seven hundred eighty-one".