100195770 has 16 divisors (see below), whose sum is σ = 240469920. Its totient is φ = 26718864.

The previous prime is 100195769. The next prime is 100195789. The reversal of 100195770 is 77591001.

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: 3339859 = 100195770 / (1 + 0 + 0 + 1 + 9 + 5 + 7 + 7 + 0).

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, 1669900 + ... + 1669959.

It is an arithmetic number, because the mean of its divisors is an integer number (15029370).

Almost surely, 2^100195770 is an apocalyptic number.

100195770 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

100195770 is an abundant number, since it is smaller than the sum of its proper divisors (140274150).

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

100195770 is a wasteful number, since it uses less digits than its factorization.

100195770 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3339869.

The product of its (nonzero) digits is 2205, while the sum is 30.

The square root of 100195770 is about 10009.7837139471. The cubic root of 100195770 is about 464.4615805324.

The spelling of 100195770 in words is "one hundred million, one hundred ninety-five thousand, seven hundred seventy".