1101820238 has 8 divisors (see below), whose sum is σ = 1653062232. Its totient is φ = 550799496.

The previous prime is 1101820231. The next prime is 1101820243. The reversal of 1101820238 is 8320281011.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1101820231) 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, 42245 + ... + 63152.

It is an arithmetic number, because the mean of its divisors is an integer number (206632779).

Almost surely, 2^1101820238 is an apocalyptic number.

1101820238 is a deficient number, since it is larger than the sum of its proper divisors (551241994).

1101820238 is a wasteful number, since it uses less digits than its factorization.

1101820238 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 110626.

The product of its (nonzero) digits is 768, while the sum is 26.

The square root of 1101820238 is about 33193.6776811489. The cubic root of 1101820238 is about 1032.8491942487.

The spelling of 1101820238 in words is "one billion, one hundred one million, eight hundred twenty thousand, two hundred thirty-eight".