101307988 has 12 divisors (see below), whose sum is σ = 179281620. Its totient is φ = 50084672.

The previous prime is 101307971. The next prime is 101307989. The reversal of 101307988 is 889703101.

It can be written as a sum of positive squares in 2 ways, for example, as 69022864 + 32285124 = 8308^2 + 5682^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (101307989) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 141931 + ... + 142642.

It is an arithmetic number, because the mean of its divisors is an integer number (14940135).

Almost surely, 2^101307988 is an apocalyptic number.

It is an amenable number.

101307988 is a deficient number, since it is larger than the sum of its proper divisors (77973632).

101307988 is a wasteful number, since it uses less digits than its factorization.

101307988 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 284666 (or 284664 counting only the distinct ones).

The product of its (nonzero) digits is 12096, while the sum is 37.

The square root of 101307988 is about 10065.1869331871. The cubic root of 101307988 is about 466.1738377753.

The spelling of 101307988 in words is "one hundred one million, three hundred seven thousand, nine hundred eighty-eight".