102957834 has 16 divisors (see below), whose sum is σ = 235332288. Its totient is φ = 29416512.

The previous prime is 102957823. The next prime is 102957839. The reversal of 102957834 is 438759201.

It is a nialpdrome in base 14.

It is a junction number, because it is equal to n+sod(n) for n = 102957792 and 102957801.

It is not an unprimeable number, because it can be changed into a prime (102957839) 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, 1225647 + ... + 1225730.

It is an arithmetic number, because the mean of its divisors is an integer number (14708268).

Almost surely, 2^102957834 is an apocalyptic number.

102957834 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

102957834 is an abundant number, since it is smaller than the sum of its proper divisors (132374454).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

102957834 is a wasteful number, since it uses less digits than its factorization.

102957834 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2451389.

The product of its (nonzero) digits is 60480, while the sum is 39.

The square root of 102957834 is about 10146.8139827238. The cubic root of 102957834 is about 468.6908399650.

The spelling of 102957834 in words is "one hundred two million, nine hundred fifty-seven thousand, eight hundred thirty-four".