101439697 has 8 divisors (see below), whose sum is σ = 107503200. Its totient is φ = 95386944.

The previous prime is 101439691. The next prime is 101439707. The reversal of 101439697 is 796934101.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 101439697 - 2²³ = 93051089 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (101439691) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 24954 + ... + 28732.

It is an arithmetic number, because the mean of its divisors is an integer number (13437900).

Almost surely, 2^101439697 is an apocalyptic number.

101439697 is a gapful number since it is divisible by the number (17) formed by its first and last digit.

It is an amenable number.

101439697 is a deficient number, since it is larger than the sum of its proper divisors (6063503).

101439697 is a wasteful number, since it uses less digits than its factorization.

101439697 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5375.

The product of its (nonzero) digits is 40824, while the sum is 40.

The square root of 101439697 is about 10071.7276075160. The cubic root of 101439697 is about 466.3757721680.

The spelling of 101439697 in words is "one hundred one million, four hundred thirty-nine thousand, six hundred ninety-seven".