1220360738 has 8 divisors (see below), whose sum is σ = 1832725440. Its totient is φ = 609452260.

The previous prime is 1220360719. The next prime is 1220360773. The reversal of 1220360738 is 8370630221.

It is a happy number.

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 361958 + ... + 365313.

It is an arithmetic number, because the mean of its divisors is an integer number (229090680).

Almost surely, 2^1220360738 is an apocalyptic number.

1220360738 is a deficient number, since it is larger than the sum of its proper divisors (612364702).

1220360738 is an equidigital number, since it uses as much as digits as its factorization.

1220360738 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 728112.

The product of its (nonzero) digits is 12096, while the sum is 32.

The square root of 1220360738 is about 34933.6619609224. The cubic root of 1220360738 is about 1068.6350365129.

Adding to 1220360738 its reverse (8370630221), we get a palindrome (9590990959).

The spelling of 1220360738 in words is "one billion, two hundred twenty million, three hundred sixty thousand, seven hundred thirty-eight".