1220737148 has 24 divisors (see below), whose sum is σ = 2187736320. Its totient is φ = 595692720.

The previous prime is 1220737129. The next prime is 1220737163. The reversal of 1220737148 is 8417370221.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 309533 + ... + 313451.

It is an arithmetic number, because the mean of its divisors is an integer number (91155680).

Almost surely, 2^1220737148 is an apocalyptic number.

It is an amenable number.

1220737148 is a deficient number, since it is larger than the sum of its proper divisors (966999172).

1220737148 is a wasteful number, since it uses less digits than its factorization.

1220737148 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5777 (or 5775 counting only the distinct ones).

The product of its (nonzero) digits is 18816, while the sum is 35.

The square root of 1220737148 is about 34939.0490425827. The cubic root of 1220737148 is about 1068.7448957133.

The spelling of 1220737148 in words is "one billion, two hundred twenty million, seven hundred thirty-seven thousand, one hundred forty-eight".