103556402 has 4 divisors (see below), whose sum is σ = 155334606. Its totient is φ = 51778200.

The previous prime is 103556389. The next prime is 103556423. The reversal of 103556402 is 204655301.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 204655301 = 4967 ⋅41203.

It can be written as a sum of positive squares in only one way, i.e., 87628321 + 15928081 = 9361^2 + 3991^2 .

It is a super-3 number, since 3×103556402³ (a number of 25 digits) contains 333 as substring.

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 as a sum of consecutive naturals, namely, 25889099 + ... + 25889102.

Almost surely, 2^103556402 is an apocalyptic number.

103556402 is a deficient number, since it is larger than the sum of its proper divisors (51778204).

103556402 is an equidigital number, since it uses as much as digits as its factorization.

103556402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51778203.

The product of its (nonzero) digits is 3600, while the sum is 26.

The square root of 103556402 is about 10176.2666042120. The cubic root of 103556402 is about 469.5973645431.

The spelling of 103556402 in words is "one hundred three million, five hundred fifty-six thousand, four hundred two".