102417870 has 16 divisors (see below), whose sum is σ = 245802960. Its totient is φ = 27311424.

The previous prime is 102417869. The next prime is 102417881. The reversal of 102417870 is 78714201.

It is a Harshad number since it is a multiple of its sum of digits (30), and also a Moran number because the ratio is a prime number: 3413929 = 102417870 / (1 + 0 + 2 + 4 + 1 + 7 + 8 + 7 + 0).

It is a congruent number.

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, 1706935 + ... + 1706994.

It is an arithmetic number, because the mean of its divisors is an integer number (15362685).

Almost surely, 2^102417870 is an apocalyptic number.

102417870 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

102417870 is an abundant number, since it is smaller than the sum of its proper divisors (143385090).

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

102417870 is a wasteful number, since it uses less digits than its factorization.

102417870 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3413939.

The product of its (nonzero) digits is 3136, while the sum is 30.

The square root of 102417870 is about 10120.1714412356. The cubic root of 102417870 is about 467.8700512170.

The spelling of 102417870 in words is "one hundred two million, four hundred seventeen thousand, eight hundred seventy".