101648959 has 4 divisors (see below), whose sum is σ = 101702104. Its totient is φ = 101595816.

The previous prime is 101648957. The next prime is 101648971. The reversal of 101648959 is 959846101.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 101648959 - 2¹ = 101648957 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (101648951) 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, 23592 + ... + 27565.

It is an arithmetic number, because the mean of its divisors is an integer number (25425526).

Almost surely, 2^101648959 is an apocalyptic number.

101648959 is a deficient number, since it is larger than the sum of its proper divisors (53145).

101648959 is an equidigital number, since it uses as much as digits as its factorization.

101648959 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53144.

The product of its (nonzero) digits is 77760, while the sum is 43.

The square root of 101648959 is about 10082.1108404937. The cubic root of 101648959 is about 466.6962505622.

The spelling of 101648959 in words is "one hundred one million, six hundred forty-eight thousand, nine hundred fifty-nine".