101529986 has 16 divisors (see below), whose sum is σ = 160134840. Its totient is φ = 48209280.

The previous prime is 101529979. The next prime is 101530019. The reversal of 101529986 is 689925101.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 36421225 + 65108761 = 6035^2 + 8069^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10811 + ... + 17886.

Almost surely, 2^101529986 is an apocalyptic number.

101529986 is a deficient number, since it is larger than the sum of its proper divisors (58604854).

101529986 is a wasteful number, since it uses less digits than its factorization.

101529986 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28789.

The product of its (nonzero) digits is 38880, while the sum is 41.

The square root of 101529986 is about 10076.2089101011. The cubic root of 101529986 is about 466.5141010347.

The spelling of 101529986 in words is "one hundred one million, five hundred twenty-nine thousand, nine hundred eighty-six".