102411870 has 128 divisors (see below), whose sum is σ = 284663808. Its totient is φ = 23337600.

The previous prime is 102411857. The next prime is 102411871. The reversal of 102411870 is 78114201.

It is a super-2 number, since 2×102411870² = 20976382233793800, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 102411870.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102411871) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 781705 + ... + 781835.

It is an arithmetic number, because the mean of its divisors is an integer number (2223936).

Almost surely, 2^102411870 is an apocalyptic number.

102411870 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 102411870, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (142331904).

102411870 is an abundant number, since it is smaller than the sum of its proper divisors (182251938).

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

102411870 is a wasteful number, since it uses less digits than its factorization.

102411870 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 278.

The product of its (nonzero) digits is 448, while the sum is 24.

The square root of 102411870 is about 10119.8749992280. The cubic root of 102411870 is about 467.8609145461.

The spelling of 102411870 in words is "one hundred two million, four hundred eleven thousand, eight hundred seventy".