103012100 has 18 divisors (see below), whose sum is σ = 223536474. Its totient is φ = 41204800.

The previous prime is 103012097. The next prime is 103012121. The reversal of 103012100 is 1210301.

It can be written as a sum of positive squares in 3 ways, for example, as 719104 + 102292996 = 848^2 + 10114^2 .

It is a super-2 number, since 2×103012100² = 21222985492820000, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 514961 + ... + 515160.

It is an arithmetic number, because the mean of its divisors is an integer number (12418693).

Almost surely, 2^103012100 is an apocalyptic number.

103012100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

103012100 is an abundant number, since it is smaller than the sum of its proper divisors (120524374).

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

103012100 is a wasteful number, since it uses less digits than its factorization.

103012100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1030135 (or 1030128 counting only the distinct ones).

The product of its (nonzero) digits is 6, while the sum is 8.

The square root of 103012100 is about 10149.4876717990. The cubic root of 103012100 is about 468.7731698177.

Adding to 103012100 its reverse (1210301), we get a palindrome (104222401).

The spelling of 103012100 in words is "one hundred three million, twelve thousand, one hundred".