102761930 has 32 divisors (see below), whose sum is σ = 194832000. Its totient is φ = 38947392.

The previous prime is 102761927. The next prime is 102761941. The reversal of 102761930 is 39167201.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 102761893 and 102761902.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 23021 + ... + 27119.

It is an arithmetic number, because the mean of its divisors is an integer number (6088500).

Almost surely, 2^102761930 is an apocalyptic number.

102761930 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

102761930 is a deficient number, since it is larger than the sum of its proper divisors (92070070).

102761930 is a wasteful number, since it uses less digits than its factorization.

102761930 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4238.

The product of its (nonzero) digits is 2268, while the sum is 29.

The square root of 102761930 is about 10137.1559127795. The cubic root of 102761930 is about 468.3933825674.

The spelling of 102761930 in words is "one hundred two million, seven hundred sixty-one thousand, nine hundred thirty".