102261130 has 8 divisors (see below), whose sum is σ = 184070052. Its totient is φ = 40904448.

The previous prime is 102261127. The next prime is 102261139. The reversal of 102261130 is 31162201.

It can be written as a sum of positive squares in 2 ways, for example, as 95433361 + 6827769 = 9769^2 + 2613^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (102261139) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5113047 + ... + 5113066.

Almost surely, 2^102261130 is an apocalyptic number.

102261130 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

102261130 is a deficient number, since it is larger than the sum of its proper divisors (81808922).

102261130 is a wasteful number, since it uses less digits than its factorization.

102261130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10226120.

The product of its (nonzero) digits is 72, while the sum is 16.

The square root of 102261130 is about 10112.4245361832. The cubic root of 102261130 is about 467.6312537179.

The spelling of 102261130 in words is "one hundred two million, two hundred sixty-one thousand, one hundred thirty".