99501201 has 6 divisors (see below), whose sum is σ = 143723970. Its totient is φ = 66334128.

The previous prime is 99501167. The next prime is 99501247. The reversal of 99501201 is 10210599.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 99500625 + 576 = 9975^2 + 24^2 .

It is not a de Polignac number, because 99501201 - 2⁹ = 99500689 is a prime.

It is not an unprimeable number, because it can be changed into a prime (99501401) 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 5 ways as a sum of consecutive naturals, for example, 5527836 + ... + 5527853.

It is an arithmetic number, because the mean of its divisors is an integer number (23953995).

Almost surely, 2^99501201 is an apocalyptic number.

It is an amenable number.

99501201 is a deficient number, since it is larger than the sum of its proper divisors (44222769).

99501201 is a wasteful number, since it uses less digits than its factorization.

99501201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11055695 (or 11055692 counting only the distinct ones).

The product of its (nonzero) digits is 810, while the sum is 27.

The square root of 99501201 is about 9975.0288721387. The cubic root of 99501201 is about 463.3858566938.

The spelling of 99501201 in words is "ninety-nine million, five hundred one thousand, two hundred one".