71428101 has 16 divisors (see below), whose sum is σ = 101585664. Its totient is φ = 44486144.

The previous prime is 71428099. The next prime is 71428121. The reversal of 71428101 is 10182417.

It is not a de Polignac number, because 71428101 - 2¹ = 71428099 is a prime.

It is a super-2 number, since 2×71428101² = 10203947224932402, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (71428121) 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, 1876 + ... + 12098.

It is an arithmetic number, because the mean of its divisors is an integer number (6349104).

Almost surely, 2^71428101 is an apocalyptic number.

It is an amenable number.

71428101 is a deficient number, since it is larger than the sum of its proper divisors (30157563).

71428101 is a wasteful number, since it uses less digits than its factorization.

71428101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10380.

The product of its (nonzero) digits is 448, while the sum is 24.

The square root of 71428101 is about 8451.5147163097. The cubic root of 71428101 is about 414.9123558082.

The spelling of 71428101 in words is "seventy-one million, four hundred twenty-eight thousand, one hundred one".