103220156 has 12 divisors (see below), whose sum is σ = 194530392. Its totient is φ = 47640048.

The previous prime is 103220129. The next prime is 103220177. The reversal of 103220156 is 651022301.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 992450 + ... + 992553.

It is an arithmetic number, because the mean of its divisors is an integer number (16210866).

Almost surely, 2^103220156 is an apocalyptic number.

It is an amenable number.

103220156 is a deficient number, since it is larger than the sum of its proper divisors (91310236).

103220156 is a wasteful number, since it uses less digits than its factorization.

103220156 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1985020 (or 1985018 counting only the distinct ones).

The product of its (nonzero) digits is 360, while the sum is 20.

The square root of 103220156 is about 10159.7320830817. The cubic root of 103220156 is about 469.0885550402.

Adding to 103220156 its reverse (651022301), we get a palindrome (754242457).

The spelling of 103220156 in words is "one hundred three million, two hundred twenty thousand, one hundred fifty-six".