102034340 has 72 divisors (see below), whose sum is σ = 231060480. Its totient is φ = 37836288.

The previous prime is 102034327. The next prime is 102034349. The reversal of 102034340 is 43430201.

It is a super-2 number, since 2×102034340² = 20822013078471200, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (17).

It is not an unprimeable number, because it can be changed into a prime (102034349) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 733991 + ... + 734129.

Almost surely, 2^102034340 is an apocalyptic number.

102034340 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 102034340, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (115530240).

102034340 is an abundant number, since it is smaller than the sum of its proper divisors (129026140).

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

102034340 is a wasteful number, since it uses less digits than its factorization.

102034340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 309 (or 290 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 17.

The square root of 102034340 is about 10101.2048786271. The cubic root of 102034340 is about 467.2853008637.

Adding to 102034340 its reverse (43430201), we get a palindrome (145464541).

The spelling of 102034340 in words is "one hundred two million, thirty-four thousand, three hundred forty".