102101877 has 20 divisors (see below), whose sum is σ = 160552480. Its totient is φ = 64484424.

The previous prime is 102101851. The next prime is 102101921. The reversal of 102101877 is 778101201.

It is not a de Polignac number, because 102101877 - 2⁷ = 102101749 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 102101877.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102101827) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 31633 + ... + 34710.

It is an arithmetic number, because the mean of its divisors is an integer number (8027624).

Almost surely, 2^102101877 is an apocalyptic number.

It is an amenable number.

102101877 is a deficient number, since it is larger than the sum of its proper divisors (58450603).

102101877 is an equidigital number, since it uses as much as digits as its factorization.

102101877 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 66374 (or 66365 counting only the distinct ones).

The product of its (nonzero) digits is 784, while the sum is 27.

The square root of 102101877 is about 10104.5473426572. The cubic root of 102101877 is about 467.3883775563.

The spelling of 102101877 in words is "one hundred two million, one hundred one thousand, eight hundred seventy-seven".