101534890 has 16 divisors (see below), whose sum is σ = 182984832. Its totient is φ = 40564624.

The previous prime is 101534843. The next prime is 101534891. The reversal of 101534890 is 98435101.

It is not an unprimeable number, because it can be changed into a prime (101534891) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3147 + ... + 14593.

It is an arithmetic number, because the mean of its divisors is an integer number (11436552).

Almost surely, 2^101534890 is an apocalyptic number.

101534890 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

101534890 is a deficient number, since it is larger than the sum of its proper divisors (81449942).

101534890 is a wasteful number, since it uses less digits than its factorization.

101534890 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12341.

The product of its (nonzero) digits is 4320, while the sum is 31.

The square root of 101534890 is about 10076.4522526532. The cubic root of 101534890 is about 466.5216119466.

Adding to 101534890 its reverse (98435101), we get a palindrome (199969991).

The spelling of 101534890 in words is "one hundred one million, five hundred thirty-four thousand, eight hundred ninety".