101065988 has 6 divisors (see below), whose sum is σ = 176865486. Its totient is φ = 50532992.

The previous prime is 101065973. The next prime is 101066033. The reversal of 101065988 is 889560101.

It can be written as a sum of positive squares in only one way, i.e., 100962304 + 103684 = 10048^2 + 322^2 .

It is a super-2 number, since 2×101065988² = 20428667860832288, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12633245 + ... + 12633252.

It is an arithmetic number, because the mean of its divisors is an integer number (29477581).

Almost surely, 2^101065988 is an apocalyptic number.

It is an amenable number.

101065988 is a deficient number, since it is larger than the sum of its proper divisors (75799498).

101065988 is a wasteful number, since it uses less digits than its factorization.

101065988 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25266501 (or 25266499 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 38.

The square root of 101065988 is about 10053.1581107630. The cubic root of 101065988 is about 465.8023500681.

The spelling of 101065988 in words is "one hundred one million, sixty-five thousand, nine hundred eighty-eight".