11978102 has 8 divisors (see below), whose sum is σ = 18586800. Its totient is φ = 5782504.

The previous prime is 11978077. The next prime is 11978107. The reversal of 11978102 is 20187911.

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

It is a Harshad number since it is a multiple of its sum of digits (29).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11978107) 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, 103202 + ... + 103317.

It is an arithmetic number, because the mean of its divisors is an integer number (2323350).

Almost surely, 2^11978102 is an apocalyptic number.

11978102 is a deficient number, since it is larger than the sum of its proper divisors (6608698).

11978102 is a wasteful number, since it uses less digits than its factorization.

11978102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 206550.

The product of its (nonzero) digits is 1008, while the sum is 29.

The square root of 11978102 is about 3460.9394678324. The cubic root of 11978102 is about 228.8035028683.

The spelling of 11978102 in words is "eleven million, nine hundred seventy-eight thousand, one hundred two".