103127890 has 8 divisors (see below), whose sum is σ = 185630220. Its totient is φ = 41251152.

The previous prime is 103127879. The next prime is 103127939. The reversal of 103127890 is 98721301.

It can be written as a sum of positive squares in 2 ways, for example, as 86062729 + 17065161 = 9277^2 + 4131^2 .

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

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, 5156385 + ... + 5156404.

Almost surely, 2^103127890 is an apocalyptic number.

103127890 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

103127890 is a deficient number, since it is larger than the sum of its proper divisors (82502330).

103127890 is a wasteful number, since it uses less digits than its factorization.

103127890 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10312796.

The product of its (nonzero) digits is 3024, while the sum is 31.

The square root of 103127890 is about 10155.1902985616. The cubic root of 103127890 is about 468.9487444043.

The spelling of 103127890 in words is "one hundred three million, one hundred twenty-seven thousand, eight hundred ninety".