102920834 has 8 divisors (see below), whose sum is σ = 162506640. Its totient is φ = 48751956.

The previous prime is 102920833. The next prime is 102920863. The reversal of 102920834 is 438029201.

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

It is a junction number, because it is equal to n+sod(n) for n = 102920797 and 102920806.

It is not an unprimeable number, because it can be changed into a prime (102920833) 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, 1354184 + ... + 1354259.

It is an arithmetic number, because the mean of its divisors is an integer number (20313330).

Almost surely, 2^102920834 is an apocalyptic number.

102920834 is a deficient number, since it is larger than the sum of its proper divisors (59585806).

102920834 is a wasteful number, since it uses less digits than its factorization.

102920834 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2708464.

The product of its (nonzero) digits is 3456, while the sum is 29.

The square root of 102920834 is about 10144.9905864914. The cubic root of 102920834 is about 468.6346886968.

The spelling of 102920834 in words is "one hundred two million, nine hundred twenty thousand, eight hundred thirty-four".