101402042 has 32 divisors (see below), whose sum is σ = 185068800. Its totient is φ = 40677120.

The previous prime is 101402039. The next prime is 101402051. The reversal of 101402042 is 240204101.

It is a Harshad number since it is a multiple of its sum of digits (14).

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 15 ways as a sum of consecutive naturals, for example, 46292 + ... + 48432.

It is an arithmetic number, because the mean of its divisors is an integer number (5783400).

Almost surely, 2^101402042 is an apocalyptic number.

101402042 is a deficient number, since it is larger than the sum of its proper divisors (83666758).

101402042 is a wasteful number, since it uses less digits than its factorization.

101402042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2366.

The product of its (nonzero) digits is 64, while the sum is 14.

The square root of 101402042 is about 10069.8580923467. The cubic root of 101402042 is about 466.3180579015.

Adding to 101402042 its reverse (240204101), we get a palindrome (341606143).

The spelling of 101402042 in words is "one hundred one million, four hundred two thousand, forty-two".