101902742 has 8 divisors (see below), whose sum is σ = 159500016. Its totient is φ = 48736072.

The previous prime is 101902711. The next prime is 101902747. The reversal of 101902742 is 247209101.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (101902747) 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, 1107593 + ... + 1107684.

It is an arithmetic number, because the mean of its divisors is an integer number (19937502).

Almost surely, 2^101902742 is an apocalyptic number.

101902742 is a deficient number, since it is larger than the sum of its proper divisors (57597274).

101902742 is a wasteful number, since it uses less digits than its factorization.

101902742 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2215302.

The product of its (nonzero) digits is 1008, while the sum is 26.

The square root of 101902742 is about 10094.6888015431. The cubic root of 101902742 is about 467.0843219023.

The spelling of 101902742 in words is "one hundred one million, nine hundred two thousand, seven hundred forty-two".