101986132 has 6 divisors (see below), whose sum is σ = 178475738. Its totient is φ = 50993064.

The previous prime is 101986123. The next prime is 101986133. The reversal of 101986132 is 231689101.

It can be written as a sum of positive squares in only one way, i.e., 98128836 + 3857296 = 9906^2 + 1964^2 .

It is a super-2 number, since 2×101986132² = 20802342240642848, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 101986094 and 101986103.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (101986133) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12748263 + ... + 12748270.

Almost surely, 2^101986132 is an apocalyptic number.

It is an amenable number.

101986132 is a deficient number, since it is larger than the sum of its proper divisors (76489606).

101986132 is a wasteful number, since it uses less digits than its factorization.

101986132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25496537 (or 25496535 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 31.

The square root of 101986132 is about 10098.8183467176. The cubic root of 101986132 is about 467.2116967598.

The spelling of 101986132 in words is "one hundred one million, nine hundred eighty-six thousand, one hundred thirty-two".