102734919 has 96 divisors (see below), whose sum is σ = 192249600. Its totient is φ = 53887680.

The previous prime is 102734887. The next prime is 102734921. The reversal of 102734919 is 919437201.

It is not a de Polignac number, because 102734919 - 2⁵ = 102734887 is a prime.

It is a super-2 number, since 2×102734919² = 21108927163873122, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102734939) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 1533324 + ... + 1533390.

It is an arithmetic number, because the mean of its divisors is an integer number (2002600).

Almost surely, 2^102734919 is an apocalyptic number.

102734919 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

102734919 is a deficient number, since it is larger than the sum of its proper divisors (89514681).

102734919 is a wasteful number, since it uses less digits than its factorization.

102734919 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 170 (or 157 counting only the distinct ones).

The product of its (nonzero) digits is 13608, while the sum is 36.

The square root of 102734919 is about 10135.8235481879. The cubic root of 102734919 is about 468.3523398638.

The spelling of 102734919 in words is "one hundred two million, seven hundred thirty-four thousand, nine hundred nineteen".