101372649 has 16 divisors (see below), whose sum is σ = 163559808. Its totient is φ = 54519552.

The previous prime is 101372641. The next prime is 101372681. The reversal of 101372649 is 946273101.

It is not a de Polignac number, because 101372649 - 2³ = 101372641 is a prime.

It is not an unprimeable number, because it can be changed into a prime (101372641) 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 15 ways as a sum of consecutive naturals, for example, 141622 + ... + 142335.

It is an arithmetic number, because the mean of its divisors is an integer number (10222488).

Almost surely, 2^101372649 is an apocalyptic number.

It is an amenable number.

101372649 is a deficient number, since it is larger than the sum of its proper divisors (62187159).

101372649 is a wasteful number, since it uses less digits than its factorization.

101372649 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 283984.

The product of its (nonzero) digits is 9072, while the sum is 33.

The square root of 101372649 is about 10068.3985320407. The cubic root of 101372649 is about 466.2729969706.

The spelling of 101372649 in words is "one hundred one million, three hundred seventy-two thousand, six hundred forty-nine".