113102778 has 8 divisors (see below), whose sum is σ = 226205568. Its totient is φ = 37700924.

The previous prime is 113102777. The next prime is 113102779. The reversal of 113102778 is 877201311.

It is an interprime number because it is at equal distance from previous prime (113102777) and next prime (113102779).

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

113102778 is an admirable number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (113102777) by changing a digit.

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, 9425226 + ... + 9425237.

It is an arithmetic number, because the mean of its divisors is an integer number (28275696).

Almost surely, 2^113102778 is an apocalyptic number.

113102778 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

113102778 is a wasteful number, since it uses less digits than its factorization.

113102778 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18850468.

The product of its (nonzero) digits is 2352, while the sum is 30.

The square root of 113102778 is about 10634.9789844644. The cubic root of 113102778 is about 483.6053433093.

The spelling of 113102778 in words is "one hundred thirteen million, one hundred two thousand, seven hundred seventy-eight".