103512870 has 64 divisors (see below), whose sum is σ = 278691840. Its totient is φ = 27337824.

The previous prime is 103512841. The next prime is 103512943. The reversal of 103512870 is 78215301.

103512870 is nontrivially palindromic in base 16.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 27099 + ... + 30681.

It is an arithmetic number, because the mean of its divisors is an integer number (4354560).

Almost surely, 2^103512870 is an apocalyptic number.

103512870 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 103512870, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (139345920).

103512870 is an abundant number, since it is smaller than the sum of its proper divisors (175178970).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

103512870 is a wasteful number, since it uses less digits than its factorization.

103512870 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3706 (or 3700 counting only the distinct ones).

The product of its (nonzero) digits is 1680, while the sum is 27.

The square root of 103512870 is about 10174.1274810177. The cubic root of 103512870 is about 469.5315537796.

The spelling of 103512870 in words is "one hundred three million, five hundred twelve thousand, eight hundred seventy".