101428516 has 24 divisors (see below), whose sum is σ = 204039360. Its totient is φ = 43216032.

The previous prime is 101428513. The next prime is 101428577. The reversal of 101428516 is 615824101.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is not an unprimeable number, because it can be changed into a prime (101428513) 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, 5626 + ... + 15313.

It is an arithmetic number, because the mean of its divisors is an integer number (8501640).

Almost surely, 2^101428516 is an apocalyptic number.

It is an amenable number.

101428516 is an abundant number, since it is smaller than the sum of its proper divisors (102610844).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

101428516 is a wasteful number, since it uses less digits than its factorization.

101428516 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21123 (or 21121 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 28.

The square root of 101428516 is about 10071.1725235943. The cubic root of 101428516 is about 466.3586364073.

The spelling of 101428516 in words is "one hundred one million, four hundred twenty-eight thousand, five hundred sixteen".