101279049 has 16 divisors (see below), whose sum is σ = 140157120. Its totient is φ = 64975680.

The previous prime is 101279039. The next prime is 101279053. The reversal of 101279049 is 940972101.

It is not a de Polignac number, because 101279049 - 2⁷ = 101278921 is a prime.

It is not an unprimeable number, because it can be changed into a prime (101279029) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 27039 + ... + 30555.

It is an arithmetic number, because the mean of its divisors is an integer number (8759820).

Almost surely, 2^101279049 is an apocalyptic number.

It is an amenable number.

101279049 is a deficient number, since it is larger than the sum of its proper divisors (38878071).

101279049 is a wasteful number, since it uses less digits than its factorization.

101279049 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3880.

The product of its (nonzero) digits is 4536, while the sum is 33.

The square root of 101279049 is about 10063.7492516457. The cubic root of 101279049 is about 466.1294454567.

The spelling of 101279049 in words is "one hundred one million, two hundred seventy-nine thousand, forty-nine".