102889270 has 32 divisors (see below), whose sum is σ = 213925536. Its totient is φ = 35212800.

The previous prime is 102889247. The next prime is 102889289. The reversal of 102889270 is 72988201.

It is a super-2 number, since 2×102889270² = 21172403762265800, which contains 22 as substring.

It is a congruent number.

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, 25641 + ... + 29380.

It is an arithmetic number, because the mean of its divisors is an integer number (6685173).

Almost surely, 2^102889270 is an apocalyptic number.

102889270 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

102889270 is an abundant number, since it is smaller than the sum of its proper divisors (111036266).

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

102889270 is a wasteful number, since it uses less digits than its factorization.

102889270 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55056.

The product of its (nonzero) digits is 16128, while the sum is 37.

The square root of 102889270 is about 10143.4348225835. The cubic root of 102889270 is about 468.5867764742.

The spelling of 102889270 in words is "one hundred two million, eight hundred eighty-nine thousand, two hundred seventy".