103221951 has 8 divisors (see below), whose sum is σ = 157290624. Its totient is φ = 58983960.

The previous prime is 103221941. The next prime is 103221967. The reversal of 103221951 is 159122301.

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

It is not a de Polignac number, because 103221951 - 2⁹ = 103221439 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (103221901) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2457645 + ... + 2457686.

It is an arithmetic number, because the mean of its divisors is an integer number (19661328).

Almost surely, 2^103221951 is an apocalyptic number.

103221951 is a deficient number, since it is larger than the sum of its proper divisors (54068673).

103221951 is an equidigital number, since it uses as much as digits as its factorization.

103221951 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4915341.

The product of its (nonzero) digits is 540, while the sum is 24.

The square root of 103221951 is about 10159.8204216413. The cubic root of 103221951 is about 469.0912741767.

The spelling of 103221951 in words is "one hundred three million, two hundred twenty-one thousand, nine hundred fifty-one".