102742069 has 8 divisors (see below), whose sum is σ = 104819040. Its totient is φ = 100676400.

The previous prime is 102742039. The next prime is 102742151. The reversal of 102742069 is 960247201.

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

It is a cyclic number.

It is not a de Polignac number, because 102742069 - 2¹⁵ = 102709301 is a prime.

It is a super-2 number, since 2×102742069² = 21111865484801522, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 102742069.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102742039) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16899 + ... + 22159.

It is an arithmetic number, because the mean of its divisors is an integer number (13102380).

Almost surely, 2^102742069 is an apocalyptic number.

It is an amenable number.

102742069 is a deficient number, since it is larger than the sum of its proper divisors (2076971).

102742069 is an equidigital number, since it uses as much as digits as its factorization.

102742069 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5651.

The product of its (nonzero) digits is 6048, while the sum is 31.

The square root of 102742069 is about 10136.1762514274. The cubic root of 102742069 is about 468.3632048536.

The spelling of 102742069 in words is "one hundred two million, seven hundred forty-two thousand, sixty-nine".