103121870 has 8 divisors (see below), whose sum is σ = 185619384. Its totient is φ = 41248744.

The previous prime is 103121867. The next prime is 103121899. The reversal of 103121870 is 78121301.

It is a happy number.

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 pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5156084 + ... + 5156103.

It is an arithmetic number, because the mean of its divisors is an integer number (23202423).

Almost surely, 2^103121870 is an apocalyptic number.

103121870 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

103121870 is a deficient number, since it is larger than the sum of its proper divisors (82497514).

103121870 is a wasteful number, since it uses less digits than its factorization.

103121870 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10312194.

The product of its (nonzero) digits is 336, while the sum is 23.

The square root of 103121870 is about 10154.8938940789. The cubic root of 103121870 is about 468.9396194031.

The spelling of 103121870 in words is "one hundred three million, one hundred twenty-one thousand, eight hundred seventy".