101891402 has 8 divisors (see below), whose sum is σ = 152885856. Its totient is φ = 50929452.

The previous prime is 101891401. The next prime is 101891423. The reversal of 101891402 is 204198101.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (101891401) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 2483 + ... + 14489.

It is an arithmetic number, because the mean of its divisors is an integer number (19110732).

Almost surely, 2^101891402 is an apocalyptic number.

101891402 is a deficient number, since it is larger than the sum of its proper divisors (50994454).

101891402 is a wasteful number, since it uses less digits than its factorization.

101891402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16252.

The product of its (nonzero) digits is 576, while the sum is 26.

The square root of 101891402 is about 10094.1271044108. The cubic root of 101891402 is about 467.0669951435.

The spelling of 101891402 in words is "one hundred one million, eight hundred ninety-one thousand, four hundred two".