102064642 has 8 divisors (see below), whose sum is σ = 154198800. Its totient is φ = 50665044.

The previous prime is 102064619. The next prime is 102064643. The reversal of 102064642 is 246460201.

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

It is a super-2 number, since 2×102064642² = 20834382293176328, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (102064643) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 183292 + ... + 183847.

It is an arithmetic number, because the mean of its divisors is an integer number (19274850).

Almost surely, 2^102064642 is an apocalyptic number.

102064642 is a deficient number, since it is larger than the sum of its proper divisors (52134158).

102064642 is a wasteful number, since it uses less digits than its factorization.

102064642 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 367280.

The product of its (nonzero) digits is 2304, while the sum is 25.

The square root of 102064642 is about 10102.7046873597. The cubic root of 102064642 is about 467.3315541731.

The spelling of 102064642 in words is "one hundred two million, sixty-four thousand, six hundred forty-two".