102770130 has 64 divisors (see below), whose sum is σ = 252419328. Its totient is φ = 26772480.

The previous prime is 102770123. The next prime is 102770189. The reversal of 102770130 is 31077201.

It is a junction number, because it is equal to n+sod(n) for n = 102770097 and 102770106.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 365590 + ... + 365870.

It is an arithmetic number, because the mean of its divisors is an integer number (3944052).

Almost surely, 2^102770130 is an apocalyptic number.

102770130 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 102770130, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (126209664).

102770130 is an abundant number, since it is smaller than the sum of its proper divisors (149649198).

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

102770130 is a wasteful number, since it uses less digits than its factorization.

102770130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 531.

The product of its (nonzero) digits is 294, while the sum is 21.

The square root of 102770130 is about 10137.5603574036. The cubic root of 102770130 is about 468.4058408892.

The spelling of 102770130 in words is "one hundred two million, seven hundred seventy thousand, one hundred thirty".