102280730 has 16 divisors (see below), whose sum is σ = 184597920. Its totient is φ = 40802832.

The previous prime is 102280723. The next prime is 102280741. The reversal of 102280730 is 37082201.

It is a super-2 number, since 2×102280730² = 20922695458665800, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 102280696 and 102280705.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9704 + ... + 17283.

It is an arithmetic number, because the mean of its divisors is an integer number (11537370).

Almost surely, 2^102280730 is an apocalyptic number.

102280730 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

102280730 is a deficient number, since it is larger than the sum of its proper divisors (82317190).

102280730 is a wasteful number, since it uses less digits than its factorization.

102280730 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27373.

The product of its (nonzero) digits is 672, while the sum is 23.

The square root of 102280730 is about 10113.3935946348. The cubic root of 102280730 is about 467.6611281744.

Adding to 102280730 its sum of digits (23), we get a triangular number (102280753 = T₁₄₃₀₂).

The spelling of 102280730 in words is "one hundred two million, two hundred eighty thousand, seven hundred thirty".