1221483106 has 4 divisors (see below), whose sum is σ = 1832224662. Its totient is φ = 610741552.

The previous prime is 1221483101. The next prime is 1221483113. The reversal of 1221483106 is 6013841221.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 899460081 + 322023025 = 29991^2 + 17945^2 .

It is not an unprimeable number, because it can be changed into a prime (1221483101) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 305370775 + ... + 305370778.

Almost surely, 2^1221483106 is an apocalyptic number.

1221483106 is a deficient number, since it is larger than the sum of its proper divisors (610741556).

1221483106 is an equidigital number, since it uses as much as digits as its factorization.

1221483106 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 610741555.

The product of its (nonzero) digits is 2304, while the sum is 28.

The square root of 1221483106 is about 34949.7225453937. The cubic root of 1221483106 is about 1068.9625446618.

The spelling of 1221483106 in words is "one billion, two hundred twenty-one million, four hundred eighty-three thousand, one hundred six".