1220942360 has 32 divisors (see below), whose sum is σ = 2996859600. Its totient is φ = 443978880.

The previous prime is 1220942339. The next prime is 1220942381. The reversal of 1220942360 is 632490221.

It is an interprime number because it is at equal distance from previous prime (1220942339) and next prime (1220942381).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1386995 + ... + 1387874.

Almost surely, 2^1220942360 is an apocalyptic number.

1220942360 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1220942360 is an abundant number, since it is smaller than the sum of its proper divisors (1775917240).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1220942360 is a wasteful number, since it uses less digits than its factorization.

1220942360 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2774891 (or 2774887 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 29.

The square root of 1220942360 is about 34941.9856333323. The cubic root of 1220942360 is about 1068.8047794728.

The spelling of 1220942360 in words is "one billion, two hundred twenty million, nine hundred forty-two thousand, three hundred sixty".