103099776 has 128 divisors (see below), whose sum is σ = 310732800. Its totient is φ = 30025728.

The previous prime is 103099771. The next prime is 103099783. The reversal of 103099776 is 677990301.

It is a tau number, because it is divible by the number of its divisors (128).

It is a super-2 number, since 2×103099776² = 21259127622500352, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (103099771) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 94305 + ... + 95391.

It is an arithmetic number, because the mean of its divisors is an integer number (2427600).

Almost surely, 2^103099776 is an apocalyptic number.

103099776 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 103099776, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (155366400).

103099776 is an abundant number, since it is smaller than the sum of its proper divisors (207633024).

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

103099776 is a wasteful number, since it uses less digits than its factorization.

103099776 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1136 (or 1124 counting only the distinct ones).

The product of its (nonzero) digits is 71442, while the sum is 42.

The square root of 103099776 is about 10153.8059859345. The cubic root of 103099776 is about 468.9061266953.

The spelling of 103099776 in words is "one hundred three million, ninety-nine thousand, seven hundred seventy-six".