402127 has 8 divisors (see below), whose sum is σ = 443520. Its totient is φ = 361560.

The previous prime is 402107. The next prime is 402131. The reversal of 402127 is 721204.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-402127 is a prime.

It is a super-2 number, since 2×402127² = 323412248258, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 402127.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (402107) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1398 + ... + 1660.

It is an arithmetic number, because the mean of its divisors is an integer number (55440).

2⁴⁰²¹²⁷ is an apocalyptic number.

402127 is a deficient number, since it is larger than the sum of its proper divisors (41393).

402127 is a wasteful number, since it uses less digits than its factorization.

402127 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 413.

The product of its (nonzero) digits is 112, while the sum is 16.

The square root of 402127 is about 634.1348437044. The cubic root of 402127 is about 73.8109980843.

It can be divided in two parts, 402 and 127, that added together give a square (529 = 23²).

The spelling of 402127 in words is "four hundred two thousand, one hundred twenty-seven", and thus it is an iban number.