127772 has 12 divisors (see below), whose sum is σ = 236880. Its totient is φ = 60096.

The previous prime is 127763. The next prime is 127781. The reversal of 127772 is 277721.

It is an interprime number because it is at equal distance from previous prime (127763) and next prime (127781).

It is a zygodrome in base 2.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 872 + ... + 1007.

It is an arithmetic number, because the mean of its divisors is an integer number (19740).

2¹²⁷⁷⁷² is an apocalyptic number.

It is an amenable number.

127772 is a deficient number, since it is larger than the sum of its proper divisors (109108).

127772 is a wasteful number, since it uses less digits than its factorization.

127772 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1900 (or 1898 counting only the distinct ones).

The product of its digits is 1372, while the sum is 26.

The square root of 127772 is about 357.4520946924. The cubic root of 127772 is about 50.3669010864.

The spelling of 127772 in words is "one hundred twenty-seven thousand, seven hundred seventy-two", and thus it is an iban number.