101553201 has 12 divisors (see below), whose sum is σ = 147568512. Its totient is φ = 67295736.

The previous prime is 101553191. The next prime is 101553203. The reversal of 101553201 is 102355101.

It is not a de Polignac number, because 101553201 - 2¹⁷ = 101422129 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (101553203) 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 11 ways as a sum of consecutive naturals, for example, 32281 + ... + 35286.

It is an arithmetic number, because the mean of its divisors is an integer number (12297376).

Almost surely, 2^101553201 is an apocalyptic number.

It is an amenable number.

101553201 is a deficient number, since it is larger than the sum of its proper divisors (46015311).

101553201 is a wasteful number, since it uses less digits than its factorization.

101553201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 67740 (or 67737 counting only the distinct ones).

The product of its (nonzero) digits is 150, while the sum is 18.

The square root of 101553201 is about 10077.3608152135. The cubic root of 101553201 is about 466.5496547332.

The spelling of 101553201 in words is "one hundred one million, five hundred fifty-three thousand, two hundred one".