1220660102 has 8 divisors (see below), whose sum is σ = 1831180512. Its totient is φ = 610266600.

The previous prime is 1220660101. The next prime is 1220660131. The reversal of 1220660102 is 2010660221.

It is a happy number.

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

It is a super-2 number, since 2×1220660102² = 2980022169229300808, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1220660101) by changing a digit.

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, 2174 + ... + 49457.

It is an arithmetic number, because the mean of its divisors is an integer number (228897564).

Almost surely, 2^1220660102 is an apocalyptic number.

1220660102 is a deficient number, since it is larger than the sum of its proper divisors (610520410).

1220660102 is a wasteful number, since it uses less digits than its factorization.

1220660102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 63454.

The product of its (nonzero) digits is 288, while the sum is 20.

The square root of 1220660102 is about 34937.9464479525. The cubic root of 1220660102 is about 1068.7224108697.

The spelling of 1220660102 in words is "one billion, two hundred twenty million, six hundred sixty thousand, one hundred two".