102975670442 has 4 divisors (see below), whose sum is σ = 154463505666. Its totient is φ = 51487835220.

The previous prime is 102975670439. The next prime is 102975670459. The reversal of 102975670442 is 244076579201.

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., 70894920121 + 32080750321 = 266261^2 + 179111^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25743917609 + ... + 25743917612.

Almost surely, 2^102975670442 is an apocalyptic number.

102975670442 is a deficient number, since it is larger than the sum of its proper divisors (51487835224).

102975670442 is an equidigital number, since it uses as much as digits as its factorization.

102975670442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51487835223.

The product of its (nonzero) digits is 846720, while the sum is 47.

The spelling of 102975670442 in words is "one hundred two billion, nine hundred seventy-five million, six hundred seventy thousand, four hundred forty-two".