101972049 has 8 divisors (see below), whose sum is σ = 139124832. Its totient is φ = 66400320.

The previous prime is 101972029. The next prime is 101972063. The reversal of 101972049 is 940279101.

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

It is not a de Polignac number, because 101972049 - 2⁷ = 101971921 is a prime.

It is not an unprimeable number, because it can be changed into a prime (101972009) 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, 395112 + ... + 395369.

It is an arithmetic number, because the mean of its divisors is an integer number (17390604).

Almost surely, 2^101972049 is an apocalyptic number.

It is an amenable number.

101972049 is a deficient number, since it is larger than the sum of its proper divisors (37152783).

101972049 is an equidigital number, since it uses as much as digits as its factorization.

101972049 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 790527.

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

The square root of 101972049 is about 10098.1210628512. The cubic root of 101972049 is about 467.1901904201.

It can be divided in two parts, 10197 and 2049, that added together give a triangular number (12246 = T₁₅₆).

The spelling of 101972049 in words is "one hundred one million, nine hundred seventy-two thousand, forty-nine".