103221142 has 8 divisors (see below), whose sum is σ = 155727216. Its totient is φ = 51312072.

The previous prime is 103221109. The next prime is 103221169. The reversal of 103221142 is 241122301.

It is a sphenic number, since it is the product of 3 distinct primes.

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, 148818 + ... + 149509.

It is an arithmetic number, because the mean of its divisors is an integer number (19465902).

Almost surely, 2^103221142 is an apocalyptic number.

103221142 is a deficient number, since it is larger than the sum of its proper divisors (52506074).

103221142 is a wasteful number, since it uses less digits than its factorization.

103221142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 298502.

The product of its (nonzero) digits is 96, while the sum is 16.

The square root of 103221142 is about 10159.7806078675. The cubic root of 103221142 is about 469.0900486757.

Adding to 103221142 its reverse (241122301), we get a palindrome (344343443).

The spelling of 103221142 in words is "one hundred three million, two hundred twenty-one thousand, one hundred forty-two".