71201135 has 16 divisors (see below), whose sum is σ = 88826976. Its totient is φ = 54741888.

The previous prime is 71201131. The next prime is 71201147. The reversal of 71201135 is 53110217.

It is a cyclic number.

It is not a de Polignac number, because 71201135 - 2² = 71201131 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (71201131) 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, 13037 + ... + 17673.

It is an arithmetic number, because the mean of its divisors is an integer number (5551686).

Almost surely, 2^71201135 is an apocalyptic number.

71201135 is a deficient number, since it is larger than the sum of its proper divisors (17625841).

71201135 is a wasteful number, since it uses less digits than its factorization.

71201135 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4762.

The product of its (nonzero) digits is 210, while the sum is 20.

The square root of 71201135 is about 8438.0764988237. The cubic root of 71201135 is about 414.4724219583.

The spelling of 71201135 in words is "seventy-one million, two hundred one thousand, one hundred thirty-five".