101603642 has 16 divisors (see below), whose sum is σ = 174337920. Its totient is φ = 43504368.

The previous prime is 101603633. The next prime is 101603651. The reversal of 101603642 is 246306101.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (101603633) and next prime (101603651).

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, 16484 + ... + 21792.

It is an arithmetic number, because the mean of its divisors is an integer number (10896120).

Almost surely, 2^101603642 is an apocalyptic number.

101603642 is a deficient number, since it is larger than the sum of its proper divisors (72734278).

101603642 is a wasteful number, since it uses less digits than its factorization.

101603642 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6685.

The product of its (nonzero) digits is 864, while the sum is 23.

The square root of 101603642 is about 10079.8631935161. The cubic root of 101603642 is about 466.6268862916.

Adding to 101603642 its reverse (246306101), we get a palindrome (347909743).

The spelling of 101603642 in words is "one hundred one million, six hundred three thousand, six hundred forty-two".