1220302124 has 6 divisors (see below), whose sum is σ = 2135528724. Its totient is φ = 610151060.

The previous prime is 1220302081. The next prime is 1220302129. The reversal of 1220302124 is 4212030221.

It is a super-2 number, since 2×1220302124² = 2978274547677822752, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1220302129) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 152537762 + ... + 152537769.

It is an arithmetic number, because the mean of its divisors is an integer number (355921454).

Almost surely, 2^1220302124 is an apocalyptic number.

It is an amenable number.

1220302124 is a deficient number, since it is larger than the sum of its proper divisors (915226600).

1220302124 is a wasteful number, since it uses less digits than its factorization.

1220302124 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 305075535 (or 305075533 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 17.

The square root of 1220302124 is about 34932.8230179011. The cubic root of 1220302124 is about 1068.6179273705.

Adding to 1220302124 its reverse (4212030221), we get a palindrome (5432332345).

The spelling of 1220302124 in words is "one billion, two hundred twenty million, three hundred two thousand, one hundred twenty-four".