102750842 has 4 divisors (see below), whose sum is σ = 154126266. Its totient is φ = 51375420.

The previous prime is 102750829. The next prime is 102750853. The reversal of 102750842 is 248057201.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 83923921 + 18826921 = 9161^2 + 4339^2 .

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 25687709 + ... + 25687712.

Almost surely, 2^102750842 is an apocalyptic number.

102750842 is a deficient number, since it is larger than the sum of its proper divisors (51375424).

102750842 is an equidigital number, since it uses as much as digits as its factorization.

102750842 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51375423.

The product of its (nonzero) digits is 4480, while the sum is 29.

The square root of 102750842 is about 10136.6089990687. The cubic root of 102750842 is about 468.3765354314.

The spelling of 102750842 in words is "one hundred two million, seven hundred fifty thousand, eight hundred forty-two".