100761890 has 32 divisors (see below), whose sum is σ = 196141824. Its totient is φ = 37123840.

The previous prime is 100761877. The next prime is 100761923. The reversal of 100761890 is 98167001.

It is a Curzon number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1685 + ... + 14295.

It is an arithmetic number, because the mean of its divisors is an integer number (6129432).

Almost surely, 2^100761890 is an apocalyptic number.

100761890 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

100761890 is a deficient number, since it is larger than the sum of its proper divisors (95379934).

100761890 is a wasteful number, since it uses less digits than its factorization.

100761890 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12682.

The product of its (nonzero) digits is 3024, while the sum is 32.

The square root of 100761890 is about 10038.0222155562. The cubic root of 100761890 is about 465.3346956380.

The spelling of 100761890 in words is "one hundred million, seven hundred sixty-one thousand, eight hundred ninety".