7201155 has 16 divisors (see below), whose sum is σ = 12408480. Its totient is φ = 3545088.

The previous prime is 7201153. The next prime is 7201157. The reversal of 7201155 is 5511027.

7201155 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (7201153) and next prime (7201157).

It is not a de Polignac number, because 7201155 - 2¹ = 7201153 is a prime.

It is not an unprimeable number, because it can be changed into a prime (7201153) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 18270 + ... + 18659.

It is an arithmetic number, because the mean of its divisors is an integer number (775530).

Almost surely, 2^7201155 is an apocalyptic number.

7201155 is a deficient number, since it is larger than the sum of its proper divisors (5207325).

7201155 is a wasteful number, since it uses less digits than its factorization.

7201155 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36950.

The product of its (nonzero) digits is 350, while the sum is 21.

The square root of 7201155 is about 2683.4967859120. The cubic root of 7201155 is about 193.1082017416.

The spelling of 7201155 in words is "seven million, two hundred one thousand, one hundred fifty-five".