103642942 has 16 divisors (see below), whose sum is σ = 167805792. Its totient is φ = 47725920.

The previous prime is 103642939. The next prime is 103642949. The reversal of 103642942 is 249246301.

It is a happy number.

It is a super-3 number, since 3×103642942³ (a number of 25 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (103642949) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7663 + ... + 16309.

It is an arithmetic number, because the mean of its divisors is an integer number (10487862).

Almost surely, 2^103642942 is an apocalyptic number.

103642942 is a deficient number, since it is larger than the sum of its proper divisors (64162850).

103642942 is a wasteful number, since it uses less digits than its factorization.

103642942 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9123.

The product of its (nonzero) digits is 10368, while the sum is 31.

The square root of 103642942 is about 10180.5177667936. The cubic root of 103642942 is about 469.7281391419.

The spelling of 103642942 in words is "one hundred three million, six hundred forty-two thousand, nine hundred forty-two".