381122870 has 8 divisors (see below), whose sum is σ = 686021184. Its totient is φ = 152449144.

The previous prime is 381122837. The next prime is 381122887. The reversal of 381122870 is 78221183.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 19056134 + ... + 19056153.

It is an arithmetic number, because the mean of its divisors is an integer number (85752648).

Almost surely, 2^381122870 is an apocalyptic number.

381122870 is a deficient number, since it is larger than the sum of its proper divisors (304898314).

381122870 is a wasteful number, since it uses less digits than its factorization.

381122870 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38112294.

The product of its (nonzero) digits is 5376, while the sum is 32.

The square root of 381122870 is about 19522.3684526238. The cubic root of 381122870 is about 725.0283746326.

The spelling of 381122870 in words is "three hundred eighty-one million, one hundred twenty-two thousand, eight hundred seventy".