1220624053 has 32 divisors (see below), whose sum is σ = 1418342400. Its totient is φ = 1039632000.

The previous prime is 1220624047. The next prime is 1220624077. The reversal of 1220624053 is 3504260221.

It is a de Polignac number, because none of the positive numbers 2^k-1220624053 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1220621053) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3399888 + ... + 3400246.

It is an arithmetic number, because the mean of its divisors is an integer number (44323200).

Almost surely, 2^1220624053 is an apocalyptic number.

It is an amenable number.

1220624053 is a deficient number, since it is larger than the sum of its proper divisors (197718347).

1220624053 is a wasteful number, since it uses less digits than its factorization.

1220624053 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 633.

The product of its (nonzero) digits is 2880, while the sum is 25.

The square root of 1220624053 is about 34937.4305437592. The cubic root of 1220624053 is about 1068.7118901268.

Adding to 1220624053 its reverse (3504260221), we get a palindrome (4724884274).

The spelling of 1220624053 in words is "one billion, two hundred twenty million, six hundred twenty-four thousand, fifty-three".