641075127 has 32 divisors (see below), whose sum is σ = 1067005440. Its totient is φ = 332613120.

The previous prime is 641075087. The next prime is 641075129. The reversal of 641075127 is 721570146.

It is not a de Polignac number, because 641075127 - 2⁶ = 641075063 is a prime.

It is a super-2 number, since 2×641075127² = 821954636916132258, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (641075129) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 296683 + ... + 298835.

It is an arithmetic number, because the mean of its divisors is an integer number (33343920).

Almost surely, 2^641075127 is an apocalyptic number.

641075127 is a deficient number, since it is larger than the sum of its proper divisors (425930313).

641075127 is a wasteful number, since it uses less digits than its factorization.

641075127 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3463.

The product of its (nonzero) digits is 11760, while the sum is 33.

The square root of 641075127 is about 25319.4614279214. The cubic root of 641075127 is about 862.2561666543.

The spelling of 641075127 in words is "six hundred forty-one million, seventy-five thousand, one hundred twenty-seven".