101428084 has 12 divisors (see below), whose sum is σ = 180148864. Its totient is φ = 49956984.

The previous prime is 101428081. The next prime is 101428121. The reversal of 101428084 is 480824101.

It is a super-2 number, since 2×101428084² = 20575312447822112, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (101428081) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 188964 + ... + 189499.

Almost surely, 2^101428084 is an apocalyptic number.

It is an amenable number.

101428084 is a deficient number, since it is larger than the sum of its proper divisors (78720780).

101428084 is a wasteful number, since it uses less digits than its factorization.

101428084 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 378534 (or 378532 counting only the distinct ones).

The product of its (nonzero) digits is 2048, while the sum is 28.

The square root of 101428084 is about 10071.1510762177. The cubic root of 101428084 is about 466.3579743081.

The spelling of 101428084 in words is "one hundred one million, four hundred twenty-eight thousand, eighty-four".