101288442 has 16 divisors (see below), whose sum is σ = 202914720. Its totient is φ = 33706512.

The previous prime is 101288423. The next prime is 101288461. The reversal of 101288442 is 244882101.

It is an interprime number because it is at equal distance from previous prime (101288423) and next prime (101288461).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10092 + ... + 17447.

It is an arithmetic number, because the mean of its divisors is an integer number (12682170).

Almost surely, 2^101288442 is an apocalyptic number.

101288442 is an abundant number, since it is smaller than the sum of its proper divisors (101626278).

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

101288442 is a wasteful number, since it uses less digits than its factorization.

101288442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28157.

The product of its (nonzero) digits is 4096, while the sum is 30.

The square root of 101288442 is about 10064.2159158078. The cubic root of 101288442 is about 466.1438552106.

The spelling of 101288442 in words is "one hundred one million, two hundred eighty-eight thousand, four hundred forty-two".