101428007 has 4 divisors (see below), whose sum is σ = 101540256. Its totient is φ = 101315760.

The previous prime is 101428003. The next prime is 101428039. The reversal of 101428007 is 700824101.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 101428007 - 2² = 101428003 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (101428003) 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, 54758 + ... + 56579.

It is an arithmetic number, because the mean of its divisors is an integer number (25385064).

Almost surely, 2^101428007 is an apocalyptic number.

101428007 is a deficient number, since it is larger than the sum of its proper divisors (112249).

101428007 is an equidigital number, since it uses as much as digits as its factorization.

101428007 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 112248.

The product of its (nonzero) digits is 448, while the sum is 23.

The square root of 101428007 is about 10071.1472534166. The cubic root of 101428007 is about 466.3578562949.

The spelling of 101428007 in words is "one hundred one million, four hundred twenty-eight thousand, seven".