103402056 has 16 divisors (see below), whose sum is σ = 258505200. Its totient is φ = 34467344.

The previous prime is 103402049. The next prime is 103402121. The reversal of 103402056 is 650204301.

It is a happy number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2154186 + ... + 2154233.

It is an arithmetic number, because the mean of its divisors is an integer number (16156575).

Almost surely, 2^103402056 is an apocalyptic number.

It is an amenable number.

103402056 is an abundant number, since it is smaller than the sum of its proper divisors (155103144).

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

103402056 is a wasteful number, since it uses less digits than its factorization.

103402056 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4308428 (or 4308424 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 21.

The square root of 103402056 is about 10168.6801503440. The cubic root of 103402056 is about 469.3639441948.

Adding to 103402056 its reverse (650204301), we get a palindrome (753606357).

The spelling of 103402056 in words is "one hundred three million, four hundred two thousand, fifty-six".